Question

What is chemical change??? ??​

Answer 1

Explanation:

Those changes in which new substances are formed , are called Chemical changes....

For example- Burning of paper, Rusting of Iron, Cooking of food etc..

Answer 2

Answer:

It is permanently change.

There is new substantce is formed.

If the cause of change be removed then it doesn't returns back in original form.It is irreversible. Such changes is known as chemical change.

e.g. burning of wood, magnesium,cutting of trees etc.