Question

classify the following changes as physical or chemical
1. crumpled a sheet of aluminum foil _
____________
2. Melting ice cube _______
3. Casting of sliver in a mould _________
4. Breaking a bottle _______
5. Boiling water _________
6. Evaporating alcohol______
7. shredding paper ________
8. sublimation of dry ice into carbon dioxide gas _______
9. Hammering wood together to build a playhouse ______
10. Sugar caramelises on heating __________​

Answer 1

Answer:

1. physical change

2. physical change

3. physical change

4. physical change

5. physical change

6. physical change

7. physical change

8.chemical change

9. physical change

10. chemical change

Explanation:

Hope it is helpful

Answer 2

Answer:

1. physical

2. physical

3. physical

4. chemical

5. physical

6. physical

7. physical

8. chemical

9. physical

10. chemical.

hope it works.