Question

in a physical change

(a )the molecules of a substance do not change

(b )the molecules of the substance change

(c )new substances are formed

(d )none of these​

Answer 1

Answer:

there is one option which is not matching physical change that is option (a)

Explanation:

Physical changes are reversible, the molecules of the substance remain exactly the same before and after the physical change.

more explanation

A physical change is a change to the physical—as opposed to chemical—properties of a substance. They are usually reversible. The physical properties of a substance include such characteristics as shape (volume and size), color, texture, flexibility, density, and mass.

Answer 2

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in physical change

(b )the molecules of the substance change