Textbook
Chapter 1: Biodiversity
Chapter 2: Ecosystem
Chapter 3: Nutrition
Chapter 4: Human health
Chapter 5: Water and Solution
Chapter 6: Acid and Alkalis
Chapter 7: Electricity and Magnetism
Chapter 8: Force and Motion
Chapter 9: Heat
Chapter 10: Sound Waves
Chapter 11: Stars and Galaxies in the Universe
Chapter 12: Solar System
Chapter 13: Meteoroid, Asteroid, Comet
Chapter 6: Acid and Alkalis
Properties of Acids and Alkalis
Explain with examples of acidic and alkaline subtances
Defining operationally acid and alkali
Report Card
Evaluate your academic performance through detailed report
Learn more »