Examples of chemical and physical changes

- Burning of coal, wood, paper, kerosene, etc.

- Formation of curd from milk.

- Electrolysis of water to form hydrogen and oxygen.

- Rusting of iron.

- Bursting of a cracker.

- Cooking of food.

- Digestion of food.

- Germination of seeds

A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding