Skip to content

Course home

Question bank·9.1 The composition and evolution of the Earth's atmosphere
Sign up

9.1 The composition and evolution of the Earth's atmosphere

EasyMediumHard
1234567891011121314151617
Question 13

A computer simulation represents clean, dry air using 180 particles. The nitrogen control has four settings: 9, 36, 90 and 144 particles.

What is the approximate number of particles that should represent nitrogen?

[1]
A

36 particles

B

144 particles

C

90 particles

D

9 particles

Markscheme

9.1 The composition and evolution of the Earth's atmosphere Questions

  1. GCSE
  2. /Chemistry
  3. /9.1 The composition and evolution of the Earth's atmosphere

79 exam-style questions on AQA GCSE Chemistry 9.1 The composition and evolution of the Earth's atmosphere, covering 9.1.1 The proportions of different gases in the atmosphere, 9.1.2 The Earth's early atmosphere, 9.1.3 How oxygen increased, and 9.1.4 How carbon dioxide decreased. Each one has a worked solution and a mark scheme showing where the marks go.

More questions