Question

A. Say whether the statements are true or false:
1. In rusting of iron no new substance is formed.
2. Cutting a log of wood into many pieces is a physical change.
3. Burning of wax is a chemical change.
4. A chemical change is generally reversible and temporary.
5. Ripening of fruits is a beneficial change.​

Answer 1

Answer:

1) True

2) false

3) false

4) True

Answer 2

Answer:

1)True

2)True

3)True

4)False

5)False