Consider a collision between an oxygen molecule and a hydrogen molecule in a mixture of oxygen and hydrogen kept at room temperature. Which of the following are possible?

Options

A. The kinetic energies of both the molecules increase.
B. The kinetic energies of both the molecules decrease.
C. The kinetic energy of the oxygen molecule increases and that of the hydrogen molecules decreases.
D. The kinetic energy of the hydrogen molecules increases and that of the oxygen molecule decreases.