Question

molecules of substance are always in a state of and so they possess kinetic energy ​

Answer 1

Answer:

motion .................

Answer 2

Answer:

Molecules are in a state of continuous motion and hence they possess kinetic energy.

• The kinetic energy of molecules increases with an increase in temperature and decreases with a decrease in temperature.

The molecules of a similar kind attract each other by a force called the force of cohesion.