O-LevelPhysicsThermal Physics5054/12 · Oct/Nov 2017 · Q121 Mark
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?
AMolecules repel each other very strongly when very close.
BThe attractive forces between molecules are small at large distances.
CThe molecules in the gas collide with the walls of their container and rebound.
DThe molecules of a liquid are constantly moving at random.
✓ Correct answer
A: Molecules repel each other very strongly when very close.
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Thermal Physics and see which topics are most likely to come up next.
Sign up free →