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8.2 Identification of common gases

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Question 16
F

A student tests a gas for hydrogen with a burning splint. No pop is heard. The student concludes that the test tube contains no gas at all. Why is this conclusion wrong?

[1]
A

The splint would always pop in any gas.

B

Hydrogen only pops when the gas is damp.

C

The tube could contain another gas instead.

D

The splint must be glowing for this test.

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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