Question

1. Melting of ice is an example of
change.
2. Cooling causes
in a material
3. Some changes are physical changes, some are
changes.
4 In
change, the initial substance cannot be obtained back.​

Answer 1

Answer:

1. physical change
2. don't know
3. chemical
4. chemical

Answer 2

Answer:

1. Reversible, physical

4. False ,not always