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8.2 Identification of common gases

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Question 13

A technician tests different volumes of a gas from a cylinder by holding a burning splint at the open end of a test tube.

Volume of gas in cm³Observation
1.0No sound is heard.
2.0The gas burns with a faint pop.
5.0The gas burns with a clear squeaky pop.
10.0The gas burns with a very loud pop.
a.

Name the gas in the cylinder.

[1]
b.

Explain which volume of the gas the technician should use for routine tests. Use the results in your answer.

[3]
Markscheme

8.2 Identification of common gases Questions

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

89 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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