Which of the following statements about kinetic theory of matter is not correct?

A. The molecules of matter are always in motion
B. When a body is heated the average kinetic energy of its molecules decreases
C. Molecules of a liquid move more freely than those of a solid
D. Matter is made up of very tiny particles called molecules
E. The molecules of a gas move more freely than those of a liquid

Correct Answer:

Option B – When a body is heated the average kinetic energy of its molecules decreases