Question

give four example of change which (a) can be reverse​

Answer 1

melting

heating

freezing

boiling

sublimation

Answer 2

1) melting of ice.

2) evaporation of water.

3) freezing of water.

4) drying of clothes.

5) making of sugar and salt solution.

6) bulging of balloon.

7) changing of day and night.

8) changing of season etc.