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1.1 The particle model

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Question 17
F

A syringe contains 60 cm3 of air. The end of the syringe is sealed.

The plunger is pushed in until the volume of the air is 20 cm3. No air escapes.

What happens to the density of the air?

[1]
A

It decreases to one third of its original value

B

It stays the same, because the mass has not changed

C

It increases to three times its original value

D

It increases to nine times its original value

Markscheme

1.1 The particle model Questions

  1. GCSE
  2. /Physics
  3. /1.1 The particle model

44 exam-style questions on OCR GCSE Physics 1.1 The particle model, covering 1.1.1 Development of the atomic model, 1.1.2 Structure of the atom, 1.1.3 The size of atoms and small molecules, 1.1.4 Density, 1.1.5 Density and the states of matter, and 1.1.6 Density, mass and volume. Each one has a worked solution and a mark scheme showing where the marks go.

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