Physics · Oct / Nov 2017 · Paper 12 · Question 12

An extremely large increase in pressure is needed to compress a liquid. A gas can be compressed by a much smaller increase in pressure. Which statement explains this?

1. AMolecules repel each other very strongly when very close.
2. BThe attractive forces between molecules are small at large distances.
3. CThe molecules in the gas collide with the walls of their container and rebound.
4. DThe molecules of a liquid are constantly moving at random.

As printed in the paper