Question

write differences physical change and chemical change​

Answer 1

Physical changes

only change the appearance of a substance, not its chemical composition.

chemical change

cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

Answer 2

Explanation:

physical changes- which can be reversed ex=melting of ice,tearing of paper

chemical ch changes which cant be reversed

ex=burning of paper