SPM Chemistry Paper 2 - Set 1

SULIT

 

 

JABATAN PEPERIKSAAN
PANDAI EDUCATION

 

 

SIJIL PELAJARAN MALAYSIA 2024

KIMIA

4541/2

Kertas 2 (Set 1)

2 jam 30 minit

 
 

JANGAN BUKA KERTAS PEPERIKSAAN INI SEHINGGA DIBERITAHU

 

  1.  Kertas peperiksaan ini adalah dalam dwibahasa.
     
  2. Soalan dalam bahasa Melayu mendahului soalan yang sepadan dalam Bahasa Inggeris.
     
  3. Kertas peperiksaan ini mengandungi tiga bahagian: Bahagian A, Bahagian B dan Bahagian C.
     
  4. Jawab semua soalan dalam Bahagian A. Jawapan anda bagi Bahagian A hendaklah ditulis pada ruang yang disediakan dalam kertas peperiksaan ini. 
     
  5. Bagi Bahagian B, jawab Soalan 9 atau Soalan 10. Bagi Bahagian C jawab Soalan 11. Jawapan anda bagi Bahagian B dan C hendaklah ditulis dalam helaian tambahan yang dibekalkan.
     
  6. Calon dibenarkan menjawab keseluruhan atau sebahagian soalan sama ada dalam bahasa Melayu atau bahasa Inggeris.
     
  7. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan.
     
  8. Jawapan boleh ditulis dalam bahasa Melayu atau bahasa Inggeris.

 

Untuk Kegunaan Pemeriksa
Bahagian Soalan Markah Penuh Markah Diperoleh
A 1 6  
2 5  
3 6  
4 7  
5 7  
6 9  
7 10  
8 10  
B 9 20  
10 20  
C 11 20  
Jumlah 100  

 

 

Kertas peperiksaan ini mengandungi 17 halaman bercetak.
 
SULIT 2 4541/2
     
Bahagian A
Section A
 
[60 markah]
[60 marks]
 
Jawab semua soalan dalam bahagian ini.
Answer all questions in this section.
 
1.   Rajah 1 menunjukkan sejenis polimer sintetik yang digunakan dalam sistem perpaipan.
    Diagram 1 shows a type of synthetic polymer which is used in piping systems.
     
   
   
     
    Rajah 1
    Diagram 1
     
(a)   Nyatakan maksud polimer.
    State the meaning of polymer.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Kloroetana ialah monomer bagi polimer yang ditunjukkan dalam Rajah 1. Lukiskan formula struktur bagi polimer tersebut.
    Chloroethene is the monomer of the polymer shows in Diagram 1. Draw a structural formula of the polymer.
     
   

 

 

 

 

 

    [1 markah]
    [1 mark]
     
(c)   Nyatakan satu kebaikan menggunakan polimer sintetik dalam Rajah 1.
    State one advantage of using the polymer in Diagram 1.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(d)   Kepelbagaian ciri yang terdapat pada polimer sintetik menyebabkan permintaan dan penggunaannya semakin meningkat saban tahun. Namun, sifat sesetengah polimer yang tahan lasak dan mengambil masa yang sangat lama untuk terurai menyebabkan masalah pencemaran yang serius. Huraikan bagaimana penggunaan PVC yang tidak terkawal boleh menyebabkan pencemaran alam sekitar.
    The variety of features found in synthetic polymers causes their demand and use to increase every year. However, the nature of some polymers which are durable and take a very long time to decompose cause serious pollution problems. Describe how uncontrolled use of PVC can cause environmental pollution.
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [3 markah]
    [3 marks]
     
 
SULIT 3 4541/2
     
2.   Rajah 2 menunjukkan susunan atom bagi aloi P yang digunakan untuk membuat landasan kereta api.
    Diagram 2 shows an arrangement of atom of alloy P which is used to make railway track.
     
   
   
     
    Rajah 2
    Diagram 2
     
(a)   Nyatakan maksud aloi.
    State the meaning of alloy.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b) (i) Namakan aloi P yang digunakan untuk membuat landasan kereta api dalam Rajah 2.
    Name the alloy P which is used to make railway track in Diagram 2.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (ii) Aloi P dihasilkan dari gabungan logam tulen dan logam asing. Nyatakan nama bagi
    Alloy P is built from the mixture of pure metal and foreign metal. State the name for
     
    Logam tulen / Pure metal: ..................................................................................................................................................................................................................................................................
 
    Logam asing / Foreign metal: ..........................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
(c)   Mengapakah aloi P sesuai digunakan untuk membuat landasan kereta api?
    Why is alloy P is suitable for use to make railway track?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
 
SULIT 4 4541/2
     
3.   Rajah 3 menunjukkan susunan radas bagi proses pemanasan satu garam karbonat yang dijalankan oleh sekumpulan pelajar di dalam makmal.
    Diagram 3 shows arrangement of apparatus for the heating process of a carbonate salt carried out by a group of students in the laboratory.
     
   
   
     
    Rajah 3
    Diagram 3
     
(a)   Nyatakan fungsi air kapur dalam Rajah 3.
    State the function of lime water in Diagram 3.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b) (i) Tuliskan persamaan kimia bagi tindak balas yang berlaku dalam proses pemanasan dalam Rajah 3.
    Write the chemical equation for the reaction of heating process in Diagram 3.
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
  (ii) Berdasarkan persamaan kimia di 3(b)(i), nyatakan maklumat kuantitatif yang boleh diperoleh daripada persamaan tersebut.
    Based on the chemical equation in 3(b)(i), state the quantitative information that can be obtained from the equation.
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(c)   Hitungkan isi padu gas yang dibebaskan apabila \({0.025}\) \(\text{mol}\) zink karbonat dipanaskan dengan kuat.
    Calculate the volume of the gas released when \({0.025}\) \(\text{mol}\) of zinc carbonate is heated strongly.
     
    [Isi padu molar gas pada keadaan bilik = \({24}\) \(\text{dm}^{3}\text{mol}^{-1}\)]
    [Molar volume of gas at room conditions = \({24}\) \(\text{dm}^{3}\text{mol}^{-1}\)]
     
   

 

 

 

 

 

 

 

 

 

    [2 markah]
    [2 marks]
     
 
SULIT 5 4541/2
     
4.   Rajah 4 menunjukkan satu kumpulan unsur.
    Diagram 4 shows a group of elements.
     
   
   
     
    Rajah 4
    Diagram 4
     
(a)   Apakah nama kumpulan bagi unsur-unsur ini dalam Jadual Berkala Unsur.
    What is the group names of these elements in the Periodic Table of Elements.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Tuliskan susunan elekron bagi atom florin dalam Rajah 4.
    Write the electron arrangement for fluorine atom in Diagram 4.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(c)  
Atom bromin adalah lebih kecil berbanding dengan atom iodin.
Bromine atom is smaller compared to iodine atom.
     
    Berdasarkan pernyataan di atas, huraikan mengapa bromin lebih mudah membentuk ion negatif berbanding iodin.
    Based on the statemement above, explain why bromine forms a negative ion more easily than iodine.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
(d)   Klorin bertindak balas dengan natrium untuk membentuk satu sebatian.
    Chlorine reacts with sodium to form a compound.
     
  (i) Tuliskan persamaan kimia bagi tindak balas ini.
    Write a chemical equation for this reaction.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
  (ii) Jelaskan proses pembentukan ikatan bagi sebatian ini.
    Explain the formation of bond for this compound.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
 
SULIT 6 4541/2
     
5.   Magnesium terdiri daripada tiga isotop. Rajah 5 menunjukkan perwakilan piawai untuk atom-atom magnesium.
    Magnesium consist of three isotopes. Diagram 5 shows the standard representation for magnesium atoms.
     
   
   
     
    Rajah 5
    Diagram 5
     
(a)   Nyatakan maksud isotop.
    State the meaning of isotope.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Lukiskan struktur atom bagi magnesium, Mg-\({24}\).
    Draw the atomic structure of magnesium, Mg-\({24}\).
     
   

 

 

 

 

 

 

    [1 markah]
    [1 mark]
     
(c)   Magnesium wujud secara semula jadi sebagai tiga isotop iaitu \({79}\)24\({Mg}\), \({10.0}\)25\({Mg}\) dan \({11.0}\)26\({Mg}\). Hitung jisim atom relatif magnesium.
    Magnesium exist naturally as three isotopes, which are \({79}\)% of 24\({Mg}\), \({10.0}\)% of 25\({Mg}\) and \({11.0}\)% of 26\({Mg}\). Calculate the relative atomic mass of magnesium.
     
   

 

 

 

 

 

    [1 markah]
    [1 mark]
     
 
SULIT 7 4541/2
     
(d)   Jadual 1 menunjukkan keputusan bagi satu eksperimen untuk menentukan formula empirik bagi kuprum oksida.
    Table 1 shows the results for a experiment to determine the empirical formula of copper oxide.
     
   
Deskripsi
Description
Jisim (g)
Mass (g)
Salur kaca
Glass tube
\({43.46}\)
Salur kaca + oksida kuprum
Glass tube + oxide of copper
\({47.46}\)
Salur kaca + logam kuprum
Glass tube + copper metal
\({46.66}\)
     
    Jadual 1
    Table 1
     
    Berdasarkan keputusan eksperimen dalam Jadual 1, tentukan formula empirik bagi kuprum oksida.
    Based on the results of an experiment in Table 1, determine the empirical formula for copper oxide.
     
    [Jisim atom relatif: \({O}\)= \({16}\), \({Cu}\) = \({64}\)]
    [Relative atomic mass: \({O}\)\({16}\), \({Cu}\) = \({64}\)]
     
   

 

 

 

 

 

 

 

 

 

    [4 markah]
    [4 marks]
     
 
SULIT 8 4541/2
     
6.   Rajah 6.1 menunjukkan semangkuk aiskrim yang menjadi hidangan anak-anak Puan Anita sekeluarga selepas beriadah.
    Diagram 6.1 shows a bowl of ice cream served to Puan Anita's children after recreation.
     
   
   
     
    Rajah 6.1
    Diagram 6.1
     
   
Lemak ialah salah satu bahan yang terdapat dalam aiskrim. Bahan P di tambah bagi mencampurkan lemak dan air dalam aiskrim.
Fat is one of the ingredients found in ice cream. Ingredient P is added to mix fat and water in ice cream.
     
(a) (i) Berdasarkan pernyataan di atas, cadangkan bahan tambah makanan yang sesuai bagi Bahan P.
    Based on the statement above, suggest food additives suitable for Ingredient P.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (ii) Apakah Bahan P?
    What is Ingredient P?
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (iii) Nyatakan satu contoh bahan tambah makanan yang terdapat dalam aiskrim.
    State another example of food additives in the ice cream.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Rajah 6.2 menunjukkan satu bahan yang digunakan dalam bidang nanoteknologi.
    Diagram 6.2 shows a material that is used in the field of nanotechnology.
     
   
   
     
    Rajah 6.2
    Diagram 6.2
     
    Nyatakan maksud nanoteknologi.
    State the meaning of nanotechnology.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
 
SULIT 9 4541/2
     
(c)   Rajah 6.3 menunjukkan satu bahan yang digunakan dalam bidang nanoteknologi.
    Diagram 6.3 shows a material that is used in the field of nanotechnology.
     
   
   
     
    Rajah 6.3
    Diagram 6.3
     
  (i) Apakah nama bahan yang ditunjukkan dalam Rajah 6.3?
    What is the name of material shows in Diagram 6.3?
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (ii) Nyatakan unsur utama yang terdapat dalam bahan yang dinyatakan di  6(c)(i).
    State the main element in the material stated in 6(c)(i).
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (iii) Nyatakan satu kegunaan bahan yang dinyatakan di 6(c)(i) dalam bidang teknologi.
    State one use of the material stated in 6(c)(i) in the field of nanotechnology.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (iv) Apakah dua sifat fizik bahan yang dinyatakan di 6(c)(i) yang membolehkannya digunakan secara meluas dalam pelbagai bidang.
    What is two physical properties of the material stated in 6(c)(i) that allow it to be widely used in various fields.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
 
SULIT 10 4541/2
     
7.   Jadual 2 menunjukkan maklumat tentang asid P dan asid Q.
    Table 2 shows the information about acid P and acid Q.
     
   
Asid P
Acid P
Asid Q
Acid Q
pH \({5}\) pH \({1}\)
Asid monoprotik
Monoprotic acid
Asid diprotik
Diprotic acid
Digunakan dalam pembuatan jeruk buah
Used in making fruit pickles
Digunakan dalam akumulator asid plumbum
Use in lead-acid accumulator
     
    Jadual 2
    Table 2
     
(a)   Apakah maksud asid?
    What is the meaning of acid?
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Berdasarkan maklumat dalam Jadual 2, nyatakan nama bagi asid P dan asid Q.
    Based on the information in Table 2, state the name of the acid P and acid Q.
     
    Asid P / Acid P : .....................................................................................................................................................................................................................................................................................
 
    Asid Q / Acid Q : ....................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
(c)   Larutan P dan Q yang diberi mempunyai kepekatan yang sama tetapi mempunyai nilai pH yang berbeza. Terangkan, mengapa.
    Solution P and Q given has same concentration but the pH values are different. Explain, why.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
 
SULIT 11 4541/2
     
(d)   Pepejal kuprum(II) sulfat diberi untuk menyediakan \({250}\) \(\text{cm}^{3}\) larutan kuprum(II) sulfat \({1.0}\) \(\text{mol dm}^{-3}\)
    Solid copper(II) sulphate is given to prepare \({250}\) \(\text{cm}^{3}\) of \({1.0}\) \(\text{mol dm}^{-3}\) of copper(II) sulphate solution.
     
    [Jisim atom relatif: \({O}\) = \({16}\), \({Cu}\) = \({64}\), \({S}\) = \({32}\)]
    [Relative atomic mass: \({O}\) = \({16}\), \({Cu}\) = \({64}\), \({S}\) = \({32}\)]
     
  (i) Terangkan kaedah untuk menyediakan \({250}\) \(\text{cm}^{3}\) larutan kuprum(II) sulfat \({1.0}\) \(\text{mol dm}^{-3}\)
    Explain how would you prepare  \({250}\) \(\text{cm}^{3}\) of \({1.0}\) \(\text{mol dm}^{-3}\) copper(II) sulphate solution.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [3 markah]
    [3 marks]
     
  (ii) Larutan kuprum(II) sulfat \({1.0}\) \(\text{mol dm}^{-3}\) dicairkan dengan air suling untuk menghasilkan \({500}\) \(\text{cm}^{3}\) larutan dengan kepekatan \({0.5}\) \(\text{mol dm}^{-3}\). Terangkan secara ringkas bagaimana larutan ini disediakan.
    \({1.0}\) \(\text{mol dm}^{-3}\) of copper(II) sulphate is diluted with distilled water to produce \({500}\) \(\text{cm}^{3}\) of \({0.5}\) \(\text{mol dm}^{-3}\) of concentration of the solution. Explain briefly how to prepare this solution.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
 
SULIT 12 4541/2
     
8.   Rajah 8 menunjukkan pengesktrakan bijih timah pada suhu tinggi dalam relau bagas.
    Diagram 8 shows extraction of tin at high temperature in a blast furnace.
     
   
   
     
    Rajah 8
    Diagram 8
     
(a) (i) Nyatakan dua unsur yang terdapat dalam P dalam Rajah 8.
    State two elements contained in P in Diagram 8.
     
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
  (ii) Nyatakan satu sebab mengapa karbon adalah unsur yang sesuai digunakan dalam pengekstrakan timah daripada P dalam Rajah 8.
    State one reason why carbon is a suitable element to be used in the extraction of tin from P in Diagram 8.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Namakan gas Q dalam Rajah 8.
    Name gas Q in Diagram 8.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(c)   Apakah fungsi batu kapur dalam proses pengekstrakan bijih timah dalam Rajah 8?
    What is the function of limestone in the tin extraction process in Diagram 8?
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(d)   Namakan hasil R dalam Rajah 8.
    Name product R in Diagram 8.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
     
(e)   Berdasarkan kedudukan logam dalam siri kereaktifan logam, tentukan kaedah pengekstrakan logam yang berikut daripada bijihnya.
    Based on the position of the metal in the metal reactivity series, determine the following method of extracting the metal from its ore.
     
    Magnesium / Magnesium : ................................................................................................................................................................................................................................................................
 
    Aluminium / Aluminium : .....................................................................................................................................................................................................................................................................
 
    Ferum / Iron : ................................................................................................................................................................................................................................................................................................
 
    Kuprum / Copper : ....................................................................................................................................................................................................................................................................................
 
    [4 markah]
    [4 marks]
     
 
SULIT 13 4541/2
     
Bahagian B
Section B
 
[20 markah]
[20 marks]
 
Jawab mana-mana satu soalan dalam bahagian ini.
Answer any one question in this section.
     
9.   Karbon berada di atas logam P dan di bawah logam Q dalam siri kereaktifan logam.
    Carbon is placed above metal P and below metal Q in the reactivity series of metal.
     
  (a) Dengan menamakan logam P dan logam Q, huraikan satu eksperimen untuk mengesahkan kedudukan logam-logam tersebut dalam siri kereaktifan logam. Sertakan satu rajah berlabel dalam huraian anda.
    By naming metal P and metal Q, describe an experiment to verify the position of such metals in the metal reactivity series. Include one labelled diagram in your description.
    [10 markah]
    [10 marks]
     
  (b) Rajah 9 menunjukkan susunan radas untuk mengkaji suatu tindak balas redoks.
    Diagram 9 shows the apparatus set-up to investigate a redox reaction.
     
   
   
     
    Rajah 9
    Diagram 9
     
 

(i)

Dengan menamakan larutan X, terangkan jawapan anda mengikut aspek yang berikut:

  • Perubahan nombor pengoksidaan setiap bahan tindak balas.
  • Jenis tindak balas yang berlaku pada setiap bahan tindak balas.
  • Peranan setiap bahan tindak balas.
  • Setengah persamaan yang terlibat dalam tindak balas tersebut.
   

By naming solution X, explain your answer based on the following aspects:

  • Change in oxidation number in each reactant.
  • Type of reaction occurred to each reactant.
  • The role of each reactant.
  • The half equation involved in the reaction.
    [8 markah]
    [8 marks]
     
  (ii) Huraikan satu ujian kimia bagi mengesahkan hasil proses pengoksidaan.
    Describe a chemical test to verify the product of oxidation process.
    [2 markah]
    [2 marks]
     
 
SULIT 14 4541/2
     
10.   Rajah 10.1 menunjukkan satu kaedah penyediaan garam tak terlarutkan.
    Diagram 10.1 shows one method to prepare insoluble salt.
     
   
   
     
    Rajah 10.1
    Diagram 10.1
     
(a) (i) Nyatakan maksud garam tak terlarutkan.
    State the meaning of insoluble salt.
    [1 markah]
    [1 mark]
     
  (ii) Namakan kaedah penyediaan garam tak terlarutkan dalam Rajah 10.
    Name the method of preparing insoluble salt in Diagram 10.
    [1 markah]
    [1 mark]
     
(b)   Kenal pasti larutan tak berwarna X dan mendakan kuning Y dalam Rajah 10.
    Identify the colourless solution X and the yellow precipitates in Diagram 10.
    [2 markah]
    [2 marks]
     
(c)   Jika eksperimen dalam Rajah 10 diulang menggunakan \({100}\) \(\text{cm}^{3}\) larutan plumbum(II) nitrat, \({0.5}\) \(\text{mol dm}^{-3}\) ditambahkan kepada larutan natrium iodida berlebihan. Tuliskan persamaan kimia bagi mewakili tindak balas tersebut dan hitungkan jisim mendakan yang terbentuk dalam tindak balas tersebut.
    If the experiment in Diagram 10 is repeated using \({100}\) \(\text{cm}^{3}\) of lead(II) nitrate solution, \({0.5}\) \(\text{mol dm}^{-3}\) is added to the excess sodium iodide solution. Write a chemical equation to represent the reaction and calculate the mass of the precipitate formed in the reaction.
     
    [Jisim atom relatif : \({N}\) = \({14}\), \({Na}\) = \({23}\), \({I}\) = \({127}\), \({Pb}\) = \({207}\)]
    [Relative atomic mass: \({N}\) = \({14}\), \({Na}\) = \({23}\), \({I}\) = \({127}\), \({Pb}\) = \({207}\)]
    [6 markah]
    [6 marks]
     
 
SULIT 15 4541/2
     
(d)   Rajah 10.2 menunjukkan arca plaster Paris di atas suatu dinding.
    Diagram 10.2 shows the plaster of Paris sculpture on a wall.
     
   
   
     
    Rajah 10.2
    Diagram 10.2
     
    Plaster Paris ialah sebatian kimia yang mengandungi serbuk putih halus yang mengeras apabila terdedah kepada kelembapan lalu dikeringkan. Formula kimianya ialah \(Ca_SO4\). \({1 \over 2}\) \(H_20\) dan lenih dikenali sebagai kalsium sulfat hemihidrat.
    Plaster of Paris is a chemical compound consisting of fine white powder, which hardens when exposed to moisture and allowed to dry. Its chemical formula is \(Ca_SO4\). \({1 \over 2}\) \(H_20\) and is better known as calcium sulphate hemihydrate.
     
    Anda perlu menyediakan garam kalsium sulfat kering dalam makmal. Bahan yang dibekalkan ialah: 
    You are required to prepare dry calcium sulphate salt in the laboratory. The chemicals supplied are:
     
   
  • Larutan garam sulfat
    Sulphate salt solutions
  • Asid hidroklorik cair
    Dilute hydrochloric acid
  • Serbuk kalsium karbonat
    Calcium carbonate powder
     
    Huraikan penyediaan garam itu dalam makmal. Sertakan persamaan kimia yang terlibat.
    Describe the preparation of the salt in the laboratory. Include the chemical equations involved.
    [10 markah]
    [10 marks]
     
 
SULIT 16 4541/2
     
Bahagian C
Section C
 
[20 markah]
[20 marks]
 
Jawab semua soalan daripada bahagian ini.
Answers all the questions from this section.
 
11.   Rajah 11 menunjukkan carta alir bagi tindak balas yang dialami oleh sebatian X. Sebatian X mempunyai kurang dari empat atom karbon.
    Diagram 11 shows the flowchart for the reactions undergone by compound X. Compound X hass less than four carbon atoms.
     
   
     
    Rajah 11
    Diagram 11
     
    Berdasarkan Rajah 11,
    Based on Diagram 11,
     
(a) (i) Cadangkan satu identiti bagi sebatian X.
    Suggest an identity for compound X.
    [1 markah]
    [1 mark]
     
  (ii) Apakah nama bagi proses Y?
    What is the name of process Y?
    [1 markah]
    [1 mark]
     
  (iii) Kenal pasti gas A.
    Identify gas A.
    [1 markah]
    [1 mark]
     
  (iv) Kenal pasti sebatian B, C dan D.
    Identify compound B, C and D.
    [3 markah]
    [3 marks]
 
SULIT 17 4541/2
     
(b)   Tuliskan persamaan kimia bagi pembakaran sebatian X dalam gas oksigen berlebihan. Hitungkan isi padu gas A yang terbebas sekiranya \({0.25}\) \({mol}\) sebatian X telah dibakar.
    Write the chemical equation for the combustion of compound X in excess oxygen. Calculate the volume of gas A released if \({0.25}\) \({mol}\) of compound X was burned.
     
    [Isipadu gas molar pada keadaan bilik = \({24}\) \(\text{dm}^{-3}{mol}^{-1}\)]
    [Molar volume of gas at room condition = \({24}\) \(\text{dm}^{-3}{mol}^{-1}\)]
    [8 markah]
    [8 marks]
     
 
(c)   Anda dibekalkan dengan sebatian-sebatian berikut.
    You are supplied with the following compounds.
     
   
  • Serbuk natrium oksida, \(Na_2O\)
    Sodium oxide powder, \(Na_2O\)
  • Serbuk glukosa, \(C_6H_{12}O_6\)
    Glucose powder, \(C_6H_{12}O_6\)
  • Pepejal asid oksalik, \(C_2H_{2}O_4\)
    Solid oxalic acid, \(C_2H_{2}O_4\)
     
    Huraikan satu eksperimen untuk mengkaji kekonduksian elektrik dalam keadaan akues untuk semua bahan yang dibekalkan.
    Describe an experiment to investigate the electrical conductivity in aqueous state for all the substances applied.
    [6 markah]
    [6 marks]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KERTAS PEPERIKSAAN TAMAT 

 

 

SPM Chemistry Paper 2 - Set 1

SULIT

 

 

JABATAN PEPERIKSAAN
PANDAI EDUCATION

 

 

SIJIL PELAJARAN MALAYSIA 2024

KIMIA

4541/2

Kertas 2 (Set 1)

2 jam 30 minit

 
 

JANGAN BUKA KERTAS PEPERIKSAAN INI SEHINGGA DIBERITAHU

 

  1.  Kertas peperiksaan ini adalah dalam dwibahasa.
     
  2. Soalan dalam bahasa Melayu mendahului soalan yang sepadan dalam Bahasa Inggeris.
     
  3. Kertas peperiksaan ini mengandungi tiga bahagian: Bahagian A, Bahagian B dan Bahagian C.
     
  4. Jawab semua soalan dalam Bahagian A. Jawapan anda bagi Bahagian A hendaklah ditulis pada ruang yang disediakan dalam kertas peperiksaan ini. 
     
  5. Bagi Bahagian B, jawab Soalan 9 atau Soalan 10. Bagi Bahagian C jawab Soalan 11. Jawapan anda bagi Bahagian B dan C hendaklah ditulis dalam helaian tambahan yang dibekalkan.
     
  6. Calon dibenarkan menjawab keseluruhan atau sebahagian soalan sama ada dalam bahasa Melayu atau bahasa Inggeris.
     
  7. Anda dibenarkan menggunakan kalkulator saintifik yang tidak boleh diprogramkan.
     
  8. Jawapan boleh ditulis dalam bahasa Melayu atau bahasa Inggeris.

 

Untuk Kegunaan Pemeriksa
Bahagian Soalan Markah Penuh Markah Diperoleh
A 1 6  
2 5  
3 6  
4 7  
5 7  
6 9  
7 10  
8 10  
B 9 20  
10 20  
C 11 20  
Jumlah 100  

 

 

Kertas peperiksaan ini mengandungi 17 halaman bercetak.
 
SULIT 2 4541/2
     
Bahagian A
Section A
 
[60 markah]
[60 marks]
 
Jawab semua soalan dalam bahagian ini.
Answer all questions in this section.
 
1.   Rajah 1 menunjukkan sejenis polimer sintetik yang digunakan dalam sistem perpaipan.
    Diagram 1 shows a type of synthetic polymer which is used in piping systems.
     
   
   
     
    Rajah 1
    Diagram 1
     
(a)   Nyatakan maksud polimer.
    State the meaning of polymer.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Kloroetana ialah monomer bagi polimer yang ditunjukkan dalam Rajah 1. Lukiskan formula struktur bagi polimer tersebut.
    Chloroethene is the monomer of the polymer shows in Diagram 1. Draw a structural formula of the polymer.
     
   

 

 

 

 

 

    [1 markah]
    [1 mark]
     
(c)   Nyatakan satu kebaikan menggunakan polimer sintetik dalam Rajah 1.
    State one advantage of using the polymer in Diagram 1.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(d)   Kepelbagaian ciri yang terdapat pada polimer sintetik menyebabkan permintaan dan penggunaannya semakin meningkat saban tahun. Namun, sifat sesetengah polimer yang tahan lasak dan mengambil masa yang sangat lama untuk terurai menyebabkan masalah pencemaran yang serius. Huraikan bagaimana penggunaan PVC yang tidak terkawal boleh menyebabkan pencemaran alam sekitar.
    The variety of features found in synthetic polymers causes their demand and use to increase every year. However, the nature of some polymers which are durable and take a very long time to decompose cause serious pollution problems. Describe how uncontrolled use of PVC can cause environmental pollution.
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [3 markah]
    [3 marks]
     
 
SULIT 3 4541/2
     
2.   Rajah 2 menunjukkan susunan atom bagi aloi P yang digunakan untuk membuat landasan kereta api.
    Diagram 2 shows an arrangement of atom of alloy P which is used to make railway track.
     
   
   
     
    Rajah 2
    Diagram 2
     
(a)   Nyatakan maksud aloi.
    State the meaning of alloy.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b) (i) Namakan aloi P yang digunakan untuk membuat landasan kereta api dalam Rajah 2.
    Name the alloy P which is used to make railway track in Diagram 2.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (ii) Aloi P dihasilkan dari gabungan logam tulen dan logam asing. Nyatakan nama bagi
    Alloy P is built from the mixture of pure metal and foreign metal. State the name for
     
    Logam tulen / Pure metal: ..................................................................................................................................................................................................................................................................
 
    Logam asing / Foreign metal: ..........................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
(c)   Mengapakah aloi P sesuai digunakan untuk membuat landasan kereta api?
    Why is alloy P is suitable for use to make railway track?
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
 
SULIT 4 4541/2
     
3.   Rajah 3 menunjukkan susunan radas bagi proses pemanasan satu garam karbonat yang dijalankan oleh sekumpulan pelajar di dalam makmal.
    Diagram 3 shows arrangement of apparatus for the heating process of a carbonate salt carried out by a group of students in the laboratory.
     
   
   
     
    Rajah 3
    Diagram 3
     
(a)   Nyatakan fungsi air kapur dalam Rajah 3.
    State the function of lime water in Diagram 3.
     
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b) (i) Tuliskan persamaan kimia bagi tindak balas yang berlaku dalam proses pemanasan dalam Rajah 3.
    Write the chemical equation for the reaction of heating process in Diagram 3.
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
  (ii) Berdasarkan persamaan kimia di 3(b)(i), nyatakan maklumat kuantitatif yang boleh diperoleh daripada persamaan tersebut.
    Based on the chemical equation in 3(b)(i), state the quantitative information that can be obtained from the equation.
     
    ....................................................................................................................................................................................................................................................................................................................................
    ....................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(c)   Hitungkan isi padu gas yang dibebaskan apabila \({0.025}\) \(\text{mol}\) zink karbonat dipanaskan dengan kuat.
    Calculate the volume of the gas released when \({0.025}\) \(\text{mol}\) of zinc carbonate is heated strongly.
     
    [Isi padu molar gas pada keadaan bilik = \({24}\) \(\text{dm}^{3}\text{mol}^{-1}\)]
    [Molar volume of gas at room conditions = \({24}\) \(\text{dm}^{3}\text{mol}^{-1}\)]
     
   

 

 

 

 

 

 

 

 

 

    [2 markah]
    [2 marks]
     
 
SULIT 5 4541/2
     
4.   Rajah 4 menunjukkan satu kumpulan unsur.
    Diagram 4 shows a group of elements.
     
   
   
     
    Rajah 4
    Diagram 4
     
(a)   Apakah nama kumpulan bagi unsur-unsur ini dalam Jadual Berkala Unsur.
    What is the group names of these elements in the Periodic Table of Elements.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Tuliskan susunan elekron bagi atom florin dalam Rajah 4.
    Write the electron arrangement for fluorine atom in Diagram 4.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(c)  
Atom bromin adalah lebih kecil berbanding dengan atom iodin.
Bromine atom is smaller compared to iodine atom.
     
    Berdasarkan pernyataan di atas, huraikan mengapa bromin lebih mudah membentuk ion negatif berbanding iodin.
    Based on the statemement above, explain why bromine forms a negative ion more easily than iodine.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
(d)   Klorin bertindak balas dengan natrium untuk membentuk satu sebatian.
    Chlorine reacts with sodium to form a compound.
     
  (i) Tuliskan persamaan kimia bagi tindak balas ini.
    Write a chemical equation for this reaction.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
  (ii) Jelaskan proses pembentukan ikatan bagi sebatian ini.
    Explain the formation of bond for this compound.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
 
SULIT 6 4541/2
     
5.   Magnesium terdiri daripada tiga isotop. Rajah 5 menunjukkan perwakilan piawai untuk atom-atom magnesium.
    Magnesium consist of three isotopes. Diagram 5 shows the standard representation for magnesium atoms.
     
   
   
     
    Rajah 5
    Diagram 5
     
(a)   Nyatakan maksud isotop.
    State the meaning of isotope.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Lukiskan struktur atom bagi magnesium, Mg-\({24}\).
    Draw the atomic structure of magnesium, Mg-\({24}\).
     
   

 

 

 

 

 

 

    [1 markah]
    [1 mark]
     
(c)   Magnesium wujud secara semula jadi sebagai tiga isotop iaitu \({79}\)24\({Mg}\), \({10.0}\)25\({Mg}\) dan \({11.0}\)26\({Mg}\). Hitung jisim atom relatif magnesium.
    Magnesium exist naturally as three isotopes, which are \({79}\)% of 24\({Mg}\), \({10.0}\)% of 25\({Mg}\) and \({11.0}\)% of 26\({Mg}\). Calculate the relative atomic mass of magnesium.
     
   

 

 

 

 

 

    [1 markah]
    [1 mark]
     
 
SULIT 7 4541/2
     
(d)   Jadual 1 menunjukkan keputusan bagi satu eksperimen untuk menentukan formula empirik bagi kuprum oksida.
    Table 1 shows the results for a experiment to determine the empirical formula of copper oxide.
     
   
Deskripsi
Description
Jisim (g)
Mass (g)
Salur kaca
Glass tube
\({43.46}\)
Salur kaca + oksida kuprum
Glass tube + oxide of copper
\({47.46}\)
Salur kaca + logam kuprum
Glass tube + copper metal
\({46.66}\)
     
    Jadual 1
    Table 1
     
    Berdasarkan keputusan eksperimen dalam Jadual 1, tentukan formula empirik bagi kuprum oksida.
    Based on the results of an experiment in Table 1, determine the empirical formula for copper oxide.
     
    [Jisim atom relatif: \({O}\)= \({16}\), \({Cu}\) = \({64}\)]
    [Relative atomic mass: \({O}\)\({16}\), \({Cu}\) = \({64}\)]
     
   

 

 

 

 

 

 

 

 

 

    [4 markah]
    [4 marks]
     
 
SULIT 8 4541/2
     
6.   Rajah 6.1 menunjukkan semangkuk aiskrim yang menjadi hidangan anak-anak Puan Anita sekeluarga selepas beriadah.
    Diagram 6.1 shows a bowl of ice cream served to Puan Anita's children after recreation.
     
   
   
     
    Rajah 6.1
    Diagram 6.1
     
   
Lemak ialah salah satu bahan yang terdapat dalam aiskrim. Bahan P di tambah bagi mencampurkan lemak dan air dalam aiskrim.
Fat is one of the ingredients found in ice cream. Ingredient P is added to mix fat and water in ice cream.
     
(a) (i) Berdasarkan pernyataan di atas, cadangkan bahan tambah makanan yang sesuai bagi Bahan P.
    Based on the statement above, suggest food additives suitable for Ingredient P.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (ii) Apakah Bahan P?
    What is Ingredient P?
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (iii) Nyatakan satu contoh bahan tambah makanan yang terdapat dalam aiskrim.
    State another example of food additives in the ice cream.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Rajah 6.2 menunjukkan satu bahan yang digunakan dalam bidang nanoteknologi.
    Diagram 6.2 shows a material that is used in the field of nanotechnology.
     
   
   
     
    Rajah 6.2
    Diagram 6.2
     
    Nyatakan maksud nanoteknologi.
    State the meaning of nanotechnology.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
 
SULIT 9 4541/2
     
(c)   Rajah 6.3 menunjukkan satu bahan yang digunakan dalam bidang nanoteknologi.
    Diagram 6.3 shows a material that is used in the field of nanotechnology.
     
   
   
     
    Rajah 6.3
    Diagram 6.3
     
  (i) Apakah nama bahan yang ditunjukkan dalam Rajah 6.3?
    What is the name of material shows in Diagram 6.3?
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (ii) Nyatakan unsur utama yang terdapat dalam bahan yang dinyatakan di  6(c)(i).
    State the main element in the material stated in 6(c)(i).
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (iii) Nyatakan satu kegunaan bahan yang dinyatakan di 6(c)(i) dalam bidang teknologi.
    State one use of the material stated in 6(c)(i) in the field of nanotechnology.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
  (iv) Apakah dua sifat fizik bahan yang dinyatakan di 6(c)(i) yang membolehkannya digunakan secara meluas dalam pelbagai bidang.
    What is two physical properties of the material stated in 6(c)(i) that allow it to be widely used in various fields.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
 
SULIT 10 4541/2
     
7.   Jadual 2 menunjukkan maklumat tentang asid P dan asid Q.
    Table 2 shows the information about acid P and acid Q.
     
   
Asid P
Acid P
Asid Q
Acid Q
pH \({5}\) pH \({1}\)
Asid monoprotik
Monoprotic acid
Asid diprotik
Diprotic acid
Digunakan dalam pembuatan jeruk buah
Used in making fruit pickles
Digunakan dalam akumulator asid plumbum
Use in lead-acid accumulator
     
    Jadual 2
    Table 2
     
(a)   Apakah maksud asid?
    What is the meaning of acid?
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Berdasarkan maklumat dalam Jadual 2, nyatakan nama bagi asid P dan asid Q.
    Based on the information in Table 2, state the name of the acid P and acid Q.
     
    Asid P / Acid P : .....................................................................................................................................................................................................................................................................................
 
    Asid Q / Acid Q : ....................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
(c)   Larutan P dan Q yang diberi mempunyai kepekatan yang sama tetapi mempunyai nilai pH yang berbeza. Terangkan, mengapa.
    Solution P and Q given has same concentration but the pH values are different. Explain, why.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
 
SULIT 11 4541/2
     
(d)   Pepejal kuprum(II) sulfat diberi untuk menyediakan \({250}\) \(\text{cm}^{3}\) larutan kuprum(II) sulfat \({1.0}\) \(\text{mol dm}^{-3}\)
    Solid copper(II) sulphate is given to prepare \({250}\) \(\text{cm}^{3}\) of \({1.0}\) \(\text{mol dm}^{-3}\) of copper(II) sulphate solution.
     
    [Jisim atom relatif: \({O}\) = \({16}\), \({Cu}\) = \({64}\), \({S}\) = \({32}\)]
    [Relative atomic mass: \({O}\) = \({16}\), \({Cu}\) = \({64}\), \({S}\) = \({32}\)]
     
  (i) Terangkan kaedah untuk menyediakan \({250}\) \(\text{cm}^{3}\) larutan kuprum(II) sulfat \({1.0}\) \(\text{mol dm}^{-3}\)
    Explain how would you prepare  \({250}\) \(\text{cm}^{3}\) of \({1.0}\) \(\text{mol dm}^{-3}\) copper(II) sulphate solution.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [3 markah]
    [3 marks]
     
  (ii) Larutan kuprum(II) sulfat \({1.0}\) \(\text{mol dm}^{-3}\) dicairkan dengan air suling untuk menghasilkan \({500}\) \(\text{cm}^{3}\) larutan dengan kepekatan \({0.5}\) \(\text{mol dm}^{-3}\). Terangkan secara ringkas bagaimana larutan ini disediakan.
    \({1.0}\) \(\text{mol dm}^{-3}\) of copper(II) sulphate is diluted with distilled water to produce \({500}\) \(\text{cm}^{3}\) of \({0.5}\) \(\text{mol dm}^{-3}\) of concentration of the solution. Explain briefly how to prepare this solution.
     
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
 
SULIT 12 4541/2
     
8.   Rajah 8 menunjukkan pengesktrakan bijih timah pada suhu tinggi dalam relau bagas.
    Diagram 8 shows extraction of tin at high temperature in a blast furnace.
     
   
   
     
    Rajah 8
    Diagram 8
     
(a) (i) Nyatakan dua unsur yang terdapat dalam P dalam Rajah 8.
    State two elements contained in P in Diagram 8.
     
    .................................................................................................................................................................................................................................................................................................................................
    [2 markah]
    [2 marks]
     
  (ii) Nyatakan satu sebab mengapa karbon adalah unsur yang sesuai digunakan dalam pengekstrakan timah daripada P dalam Rajah 8.
    State one reason why carbon is a suitable element to be used in the extraction of tin from P in Diagram 8.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(b)   Namakan gas Q dalam Rajah 8.
    Name gas Q in Diagram 8.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(c)   Apakah fungsi batu kapur dalam proses pengekstrakan bijih timah dalam Rajah 8?
    What is the function of limestone in the tin extraction process in Diagram 8?
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
(d)   Namakan hasil R dalam Rajah 8.
    Name product R in Diagram 8.
     
    .................................................................................................................................................................................................................................................................................................................................
    [1 markah]
    [1 mark]
     
     
(e)   Berdasarkan kedudukan logam dalam siri kereaktifan logam, tentukan kaedah pengekstrakan logam yang berikut daripada bijihnya.
    Based on the position of the metal in the metal reactivity series, determine the following method of extracting the metal from its ore.
     
    Magnesium / Magnesium : ................................................................................................................................................................................................................................................................
 
    Aluminium / Aluminium : .....................................................................................................................................................................................................................................................................
 
    Ferum / Iron : ................................................................................................................................................................................................................................................................................................
 
    Kuprum / Copper : ....................................................................................................................................................................................................................................................................................
 
    [4 markah]
    [4 marks]
     
 
SULIT 13 4541/2
     
Bahagian B
Section B
 
[20 markah]
[20 marks]
 
Jawab mana-mana satu soalan dalam bahagian ini.
Answer any one question in this section.
     
9.   Karbon berada di atas logam P dan di bawah logam Q dalam siri kereaktifan logam.
    Carbon is placed above metal P and below metal Q in the reactivity series of metal.
     
  (a) Dengan menamakan logam P dan logam Q, huraikan satu eksperimen untuk mengesahkan kedudukan logam-logam tersebut dalam siri kereaktifan logam. Sertakan satu rajah berlabel dalam huraian anda.
    By naming metal P and metal Q, describe an experiment to verify the position of such metals in the metal reactivity series. Include one labelled diagram in your description.
    [10 markah]
    [10 marks]
     
  (b) Rajah 9 menunjukkan susunan radas untuk mengkaji suatu tindak balas redoks.
    Diagram 9 shows the apparatus set-up to investigate a redox reaction.
     
   
   
     
    Rajah 9
    Diagram 9
     
 

(i)

Dengan menamakan larutan X, terangkan jawapan anda mengikut aspek yang berikut:

  • Perubahan nombor pengoksidaan setiap bahan tindak balas.
  • Jenis tindak balas yang berlaku pada setiap bahan tindak balas.
  • Peranan setiap bahan tindak balas.
  • Setengah persamaan yang terlibat dalam tindak balas tersebut.
   

By naming solution X, explain your answer based on the following aspects:

  • Change in oxidation number in each reactant.
  • Type of reaction occurred to each reactant.
  • The role of each reactant.
  • The half equation involved in the reaction.
    [8 markah]
    [8 marks]
     
  (ii) Huraikan satu ujian kimia bagi mengesahkan hasil proses pengoksidaan.
    Describe a chemical test to verify the product of oxidation process.
    [2 markah]
    [2 marks]
     
 
SULIT 14 4541/2
     
10.   Rajah 10.1 menunjukkan satu kaedah penyediaan garam tak terlarutkan.
    Diagram 10.1 shows one method to prepare insoluble salt.
     
   
   
     
    Rajah 10.1
    Diagram 10.1
     
(a) (i) Nyatakan maksud garam tak terlarutkan.
    State the meaning of insoluble salt.
    [1 markah]
    [1 mark]
     
  (ii) Namakan kaedah penyediaan garam tak terlarutkan dalam Rajah 10.
    Name the method of preparing insoluble salt in Diagram 10.
    [1 markah]
    [1 mark]
     
(b)   Kenal pasti larutan tak berwarna X dan mendakan kuning Y dalam Rajah 10.
    Identify the colourless solution X and the yellow precipitates in Diagram 10.
    [2 markah]
    [2 marks]
     
(c)   Jika eksperimen dalam Rajah 10 diulang menggunakan \({100}\) \(\text{cm}^{3}\) larutan plumbum(II) nitrat, \({0.5}\) \(\text{mol dm}^{-3}\) ditambahkan kepada larutan natrium iodida berlebihan. Tuliskan persamaan kimia bagi mewakili tindak balas tersebut dan hitungkan jisim mendakan yang terbentuk dalam tindak balas tersebut.
    If the experiment in Diagram 10 is repeated using \({100}\) \(\text{cm}^{3}\) of lead(II) nitrate solution, \({0.5}\) \(\text{mol dm}^{-3}\) is added to the excess sodium iodide solution. Write a chemical equation to represent the reaction and calculate the mass of the precipitate formed in the reaction.
     
    [Jisim atom relatif : \({N}\) = \({14}\), \({Na}\) = \({23}\), \({I}\) = \({127}\), \({Pb}\) = \({207}\)]
    [Relative atomic mass: \({N}\) = \({14}\), \({Na}\) = \({23}\), \({I}\) = \({127}\), \({Pb}\) = \({207}\)]
    [6 markah]
    [6 marks]
     
 
SULIT 15 4541/2
     
(d)   Rajah 10.2 menunjukkan arca plaster Paris di atas suatu dinding.
    Diagram 10.2 shows the plaster of Paris sculpture on a wall.
     
   
   
     
    Rajah 10.2
    Diagram 10.2
     
    Plaster Paris ialah sebatian kimia yang mengandungi serbuk putih halus yang mengeras apabila terdedah kepada kelembapan lalu dikeringkan. Formula kimianya ialah \(Ca_SO4\). \({1 \over 2}\) \(H_20\) dan lenih dikenali sebagai kalsium sulfat hemihidrat.
    Plaster of Paris is a chemical compound consisting of fine white powder, which hardens when exposed to moisture and allowed to dry. Its chemical formula is \(Ca_SO4\). \({1 \over 2}\) \(H_20\) and is better known as calcium sulphate hemihydrate.
     
    Anda perlu menyediakan garam kalsium sulfat kering dalam makmal. Bahan yang dibekalkan ialah: 
    You are required to prepare dry calcium sulphate salt in the laboratory. The chemicals supplied are:
     
   
  • Larutan garam sulfat
    Sulphate salt solutions
  • Asid hidroklorik cair
    Dilute hydrochloric acid
  • Serbuk kalsium karbonat
    Calcium carbonate powder
     
    Huraikan penyediaan garam itu dalam makmal. Sertakan persamaan kimia yang terlibat.
    Describe the preparation of the salt in the laboratory. Include the chemical equations involved.
    [10 markah]
    [10 marks]
     
 
SULIT 16 4541/2
     
Bahagian C
Section C
 
[20 markah]
[20 marks]
 
Jawab semua soalan daripada bahagian ini.
Answers all the questions from this section.
 
11.   Rajah 11 menunjukkan carta alir bagi tindak balas yang dialami oleh sebatian X. Sebatian X mempunyai kurang dari empat atom karbon.
    Diagram 11 shows the flowchart for the reactions undergone by compound X. Compound X hass less than four carbon atoms.
     
   
     
    Rajah 11
    Diagram 11
     
    Berdasarkan Rajah 11,
    Based on Diagram 11,
     
(a) (i) Cadangkan satu identiti bagi sebatian X.
    Suggest an identity for compound X.
    [1 markah]
    [1 mark]
     
  (ii) Apakah nama bagi proses Y?
    What is the name of process Y?
    [1 markah]
    [1 mark]
     
  (iii) Kenal pasti gas A.
    Identify gas A.
    [1 markah]
    [1 mark]
     
  (iv) Kenal pasti sebatian B, C dan D.
    Identify compound B, C and D.
    [3 markah]
    [3 marks]
 
SULIT 17 4541/2
     
(b)   Tuliskan persamaan kimia bagi pembakaran sebatian X dalam gas oksigen berlebihan. Hitungkan isi padu gas A yang terbebas sekiranya \({0.25}\) \({mol}\) sebatian X telah dibakar.
    Write the chemical equation for the combustion of compound X in excess oxygen. Calculate the volume of gas A released if \({0.25}\) \({mol}\) of compound X was burned.
     
    [Isipadu gas molar pada keadaan bilik = \({24}\) \(\text{dm}^{-3}{mol}^{-1}\)]
    [Molar volume of gas at room condition = \({24}\) \(\text{dm}^{-3}{mol}^{-1}\)]
    [8 markah]
    [8 marks]
     
 
(c)   Anda dibekalkan dengan sebatian-sebatian berikut.
    You are supplied with the following compounds.
     
   
  • Serbuk natrium oksida, \(Na_2O\)
    Sodium oxide powder, \(Na_2O\)
  • Serbuk glukosa, \(C_6H_{12}O_6\)
    Glucose powder, \(C_6H_{12}O_6\)
  • Pepejal asid oksalik, \(C_2H_{2}O_4\)
    Solid oxalic acid, \(C_2H_{2}O_4\)
     
    Huraikan satu eksperimen untuk mengkaji kekonduksian elektrik dalam keadaan akues untuk semua bahan yang dibekalkan.
    Describe an experiment to investigate the electrical conductivity in aqueous state for all the substances applied.
    [6 markah]
    [6 marks]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KERTAS PEPERIKSAAN TAMAT