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CAIE A-Level Chemistry AS 4.1.2 Ideal Gases Have Zero Particle Volume and No Questions

Practise explaining ideal-gas assumptions and why low pressure and high temperature make real gases approach ideal behaviour using CAIE 9701 AS questions and mark schemes.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • Explain the assumptions of an ideal gas and the conditions under which real gases approach ideal behaviour.

CAIE A-Level Chemistry AS 4.1.2 Ideal Gases Have Zero Particle Volume and No Questions question 1

[Maximum number: 1]

Which assumptions are made about ideal gases?

1 Ideal gases contain molecules with no mass.
2 Ideal gases contain molecules with no volume.
3 Ideal gases have no intermolecular forces.

A

1, 2 and 3

B

1 and 2 only

C

1 and 3 only

D

2 and 3 only

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