Question

A change in a substance that does not involve the change in identity of a substance.

Answer 1

Answer:

Physical changes are changes that do not alter

the identity of substance . chemical changes are

that which occur when one substance is turned into another substance

Hope it helps you

Answer 2

Heyy.....!!

Here is your answer.

Answer: Physical Changes is the correct answer.

Explanation : Physical changes only change the appearance of a substance, not its chemical composition.

While, chemical changes cause a substance to change into an entirely substance with a new chemical formula.