Question

answer the following questions
(a) Define 'physical change'.
(b) Give four examples of physical change.​

Answer 1

Answer:

a) A physical change is a change to the physical—as opposed to chemical—properties of a substance. They are usually reversible.

B) Examples of Physical Changes

Crushing a can.

Melting an ice cube.

Explanation:

Answer 2

Answer:

a) The change in which new formed substance can be obtained again. It is reversible change.

Explanation:

b)The examples of physical change are as follows as: 1) water converted into steam. 2) conversion of ice into water. 3) recycling of dry waste.