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2.1 Kinetic particle model of matter

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Question 27

A gas is sealed inside a rigid container of constant volume. The temperature of the gas is decreased. What happens to the particles of the gas?

A

The average distance between the particles decreases.

B

The mass of each individual particle decreases.

C

The average speed of the particles decreases.

D

The total number of particles decreases.

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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