Question

What do you mean by chemical change in chemistry?

Answer 1

Chemistry. a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance: The formation of rust on iron is a chemical change.

Answer 2

A change in which a new substance is formed is called chemical change.

Examples:

• respiration in living beings.
• cooking of food.
• burning of paper or fuels.
• growth of plants.