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8.2 Identification of common gases

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Question 3
F

A student holds a burning splint in a test tube of gas. The splint carries on burning. The student concludes that the gas is oxygen.

a.

Explain why the student's conclusion is not valid.

[2]
b.

Describe how the student should test the gas for oxygen. Give the result that would show that oxygen is present.

[2]
Markscheme

8.2 Identification of common gases Questions

  1. GCSE
  2. /Chemistry
  3. /8.2 Identification of common gases

40 exam-style questions on AQA GCSE Chemistry 8.2 Identification of common gases, covering 8.2.1 Test for hydrogen, 8.2.2 Test for oxygen, 8.2.3 Test for carbon dioxide, and 8.2.4 Test for chlorine. Each one has a worked solution and a mark scheme showing where the marks go.

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