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8.2 Identification of common gases

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Question 21
H

A student has one test tube of an unknown gas and no way of collecting any more. Which order of tests gives the student the best chance of identifying the gas?

[1]
A

burning splint, then glowing splint, then limewater

B

limewater, then burning splint, then damp litmus paper

C

damp litmus paper, then limewater, then glowing splint

D

glowing splint, then burning splint, then damp litmus paper

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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