Question

give 4example of physical and chemical

Answer 1

I think you mean physical and chemical change.
Here is your answer;
4 examples of physical change are:
1. Melting of wax.
2. Sublimation of camphor.
3. Evaporation of water.
4. Formation of dew.
4 examples of chemical change are:
1. Burning of paper.
2. Rusting of iron.
3. Digestion of food.
4. Cooking of cake.

HOPE THIS HELPS YOU.