Question

write the diffrences between physical and chemical change

Answer 1

Answer:

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

Answer 2

Answer:

difference is

Explanation:

physical change is slow process...it is always heterogeneous..

chemical change is fast process....it may be heterogeneous or homogeneous...

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