Acid and Alkali
What you need to learn in this topic
- Test acidic, alkaline and neutral substances through changes in colour of litmus paper by carrying out investigation
- Make generalisation on acidic, alkaline and neutral substances through taste and touch by testing a few substances
- Explore other materials to test acidic, alkaline and neutral substances
- Explain the result of observations about acid and alkali through written or verbal forms, sketches or ICT in a creative way
