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A basic postulate of the kinetic theory of gase... - JAMB Chemistry 1990 Question

A basic postulate of the kinetic theory of gases is that the molecules of a gas move in straight lines between collisions. This implies that?
A
collisions are perfectly elastic
B
forces of repulsion exist
C
forces of repulsion are in equilibrium
D
collision are inelastic
correct option: a
Collisions between gas particles or collisions with the walls of the container are perfectly elastic. None of the energy of a gas particle is lost when it collides with another particle or with the walls of the container.
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