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2.1 Kinetic particle model of matter

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Question 200

The volume of a gas in a sealed cylinder is decreased by pressing a piston down. The temperature of the gas does not change.

After this change is made, what has happened to the gas molecules in the cylinder?

A

They move more slowly.

B

They move more quickly.

C

They hit the cylinder walls less often.

D

They hit the cylinder walls more often.

Markscheme

2.1 Kinetic particle model of matter Questions

  1. IGCSE
  2. /Physics
  3. /2.1 Kinetic particle model of matter

321 exam-style questions on CIE IGCSE Physics 2.1 Kinetic particle model of matter, covering 2.1.1 States of matter and changes of state, 2.1.2a Particle structure and motion in solids, liquids and gases, 2.1.2b Gas pressure and particle collisions, 2.1.2c Brownian motion, 2.1.3a The absolute scale of temperature, and 2.1.3b Pressure, volume and temperature of a gas. Each one has a worked solution and a mark scheme showing where the marks go.

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