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8.2 Identification of common gases

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Question 1
F

A student is given four test tubes of gas, J, K, L and M. The student carries out two tests on each gas. The results are in the table.

Table: The results of two tests carried out on four test tubes of gas, J, K, L and M

GasResult with a glowing splintResult when shaken with limewater
Jthe splint goes outthe limewater turns milky
Kthe splint relightsno change
Lthe splint goes outno change
Mthe splint goes outno change
a.

Name gas J. Give a reason for your answer.

[2]
b.

Name gas K.

[1]
c.

Gases L and M gave the same result in both tests. Describe one further test the student could carry out to find which of L and M is chlorine. Give the result that would identify chlorine.

[2]
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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