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8.2 Identification of common gases

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Question 23

A laboratory technician is preparing instructions for testing a gas collected in a test tube. The available materials are a burning splint, a glowing splint, limewater and damp litmus paper.

Which instruction gives the correct test for hydrogen?

[1]
A

Lower the glowing splint into the test tube.

B

Hold the damp litmus paper in the gas.

C

Hold the burning splint at the open end of the test tube.

D

Bubble the gas through the limewater.

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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