Question

give me five examples which are not physical change​

Answer 1

A chemical change (chemical reaction) is a change of materials into other, new materials with different properties, and one or more new substances are formed. 

EXAMPLES OF CHEMICAL CHANGES:

• Combustion (burning).

• cooking an egg.

• Rusting of an iron pan.

• Mixing hydrochloric acid and sodium hydroxide to make salt and water. 

• The explosion of fireworks.

Answer 2

Answer:

Some chemical changes are as follows-

1. Curdling of milk.

2. Ripening of a fruit.

3. Burning of wood.

4. Rusting of iron.

5. Making of wine.

6. Digestion of food.