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8.2 Identification of common gases

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Question 19

A laboratory receives a gas cylinder whose label has become detached. The delivery record shows that the cylinder contains exactly one of hydrogen, oxygen, carbon dioxide and chlorine. A technician tests separate small samples of the gas. A burning splint does not produce a squeaky pop, and damp blue litmus paper is not bleached white.

Which two gases are still possible identities of the gas in the cylinder?

[1]
A

Hydrogen and chlorine

B

Oxygen and carbon dioxide

C

Carbon dioxide and chlorine

D

Hydrogen and oxygen

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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