A change in the physical state can be brought about

Options

A. only when energy is given to the system.
B. only when energy is taken out from the system.
C. When energy is either given to, or taken out from the system.
D. Without any energy change.

Answer

C

Explanation

A change in the physical state can be brought about when energy is given to, or taken out from the system. It is because, energy change helps in changing the magnitude of attraction forces between the particles, thsu helps in changing the physical states(i.e., solid, liquid, gas) of matter.