A gas is sealed in a container of constant volume. The temperature of the gas is decreased.
What happens to the particles of the gas?
The average speed of the particles decreases.
The average distance between the particles decreases.
The size of the individual particles decreases.
The total number of particles 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.