Question

Question 6

Classify the following changes as physical and chemical changes:

1. Melting of wax

2. Burning of wax

3. Burning of paper

4. Breaking of glass

5. Chopping of wood

6. Cooking of food

Answer 1

1. Melting of wax – physical change

2. Burning of wax – chemical change

3. Burning of paper – chemical change

4. Breaking of glass – physical change

5. Chopping of wood – physical change

6. Cooking of food – chemical change