Question

2. Assertion: A physical change is a change in which a substance undergoes a change in its physical properties Reason: A physical change is generally irreversible​

Answer 1

Answer:

Physical Change

Explanation:

A change in which a substance changes its physical properties like appearance, texture, colour, odour, melting points, boiling points, density, solubility, polarity etc... are called physical changes.

Physical properties can be observed or measured without changing the composition of matter. They are used to observe and describe matter.

Hence, the correct option is B