According to the kinetic-molecular theory of gases, due to large distance of separation, forces of attraction or repulsion between them becomes negligible.
True
According to the kinetic molecular theory of gases, gas particles are in continuous, random motion. Collisions between gas particles are completely elastic. In other words, there is no net loss or gain of kinetic energy when particles collide. The average kinetic energy is the same for all gases at a given temperature, regardless of the identity of the gas.