Question

Which of the following is not a physical change?

a) Crystallisation
b) cutting of paper

c) dissolving sugar in water
d) both(b) and(c)​

Answer 1

Answer:

A physical change is a process in which the physical state of the substance is changed. Dissolving sugar in water is physical change as the solid sugar is converted to a liquid state in water, so it changes its physical state.

Hence option C is correct.

Answer 2

Answer:

it's (a) and (c) because cutting paper is the only physical change in yoir question...