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8.2 Identification of common gases

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Question 15

A laboratory technician receives two gas syringes, P and Q. Each syringe contains either hydrogen or oxygen. The technician transfers samples of the gases to separate test tubes. A burning splint held at the open end of the test tube containing gas P produces a squeaky pop. A glowing splint lowered into the test tube containing gas Q relights. Which pair of gas identities matches these observations?

[1]
A

gas P and gas Q are both hydrogen

B

gas P and gas Q are both oxygen

C

gas P is oxygen and gas Q is hydrogen

D

gas P is hydrogen and gas Q is 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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