Question

what is chemical change ? gvive two example​

Answer 1

Answer:

Rotting, burning, cooking, and rusting are all further types of chemical changes because they produce substances that are entirely new chemical compounds. For example, burned wood becomes ash, carbon dioxide, and water. When exposed to water, iron becomes a mixture of several hydrated iron oxides and hydroxides.

Answer 2

Answer:

A chemical change is a change in which a new substance is formed . It is a inrevesible change for eg setting of milk into curd ,burning of paper