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Q1 / 10
Particle Model of Matter
Foundation
2 marks
Why does a gas exert pressure on the walls of its container?
A
Particles collide with the container walls, exerting a force per unit area
B
Gas particles push against each other, which pushes them against the walls
C
The weight of the gas particles pressing down causes pressure
D
Gas pressure is caused by static electricity between particles and the metal walls
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