Question

What is the main difference between physical changes and chemical changes?

Answer 1

Answer:

Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

Explanation:

GOOD NIGHT AND SWEET DREAMS

Answer 2

Physical change means it can be reverseble

and chemical change means it be reverseble.....!!!

TC........!!!!!