Question

Give two examples for each of the following cases: Physical changes which are reversible. Physical changes which are not reversible. Chemical changes

Answer 1

1.boiling of water , water into ice form ..2.physical change are reversible only they can't "not reversible"..
3.Burning of wood, making dish from vegetables.. etccccc

Answer 2

Answer:

Physical change: It is a temporary change in which only physical properties of a substance change. It can be easily reversed.

Examples: Melting of ice, glowing of an electric bulb.

Chemical change: It is a permanent change in which the chemical properties of a substance change. It is non-reversible.

Examples: Digestion of food, growth of a plant.