Question

What are chemical changes ? Give two examples

Answer 1

A chemical change occurs when a new substance is formed through a chemical reaction like when fruit ripens or rots. When something undergoes a "chemical reaction" and a new substance is formed as a result, we call this chemical change.

Two examples are-cooking an egg and rusting of an iron pan.

HOPE THIS WAS USEFUL.

Answer 2

The change which can not be reverse

and a new substance is formed is formed is called Chemical Change.

Examples:

1}Rusting of Almirah.

2}Burning of paper and wood.