A gas is cooled in a rigid, sealed container.
The volume of the container does not change.
What happens to the particles of the gas?
The average distance between the particles decreases.
The average kinetic energy of the particles decreases.
The mass of each particle decreases.
The volume of each particle decreases.
151 exam-style questions on CIE IGCSE Physics 2.1.2a Particle structure and motion in solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.