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8.2 Identification of common gases

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Question 21

A laboratory technician records the contents of four samples.

SampleContents
PA colourless solution of calcium hydroxide
QCalcium carbonate particles suspended in water
RDry calcium hydroxide powder
SDry calcium carbonate powder

Which sample should be labelled as limewater?

[1]
A

Sample P

B

Sample S

C

Sample R

D

Sample Q

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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