According to the kinetic theory of gases,at absolute temperature

What is the kinetic theory of gases?

How is the behavior of gases explained?

If there are no intermolecular forces between the molecules of a gas,the pressure exerted by the gas will ........

Which gas cannot be liquefied?

State whether the following statements are True or False:
$(i)$ Attractive or repulsive forces act between molecules of an ideal gas.
$(ii)$ The potential energy of an ideal gas is zero.
$(iii)$ Molecules of all gases are the same in size.
$(iv)$ Molecules of an ideal gas are perfectly elastic spheres.