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
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