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9.1 The composition and evolution of the Earth's atmosphere

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Question 6

A laboratory process requires approximately 120 cm3 of oxygen. The oxygen is supplied using clean, dry air.

What volume of air is needed to supply approximately 120 cm3 of oxygen?

[1]
A

24 cm324\ \text{cm}^324 cm3

B

96 cm396\ \text{cm}^396 cm3

C

480 cm3480\ \text{cm}^3480 cm3

D

600 cm3600\ \text{cm}^3600 cm3

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.

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