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8.3 Identification of ions by chemical and spectroscopic means

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Question 30
H

A white solid gives no flame colour in a flame test. It fizzes with dilute nitric acid, and the gas produced turns limewater cloudy. The solution formed gives a white precipitate with sodium hydroxide solution that does not dissolve in excess. Which compound is the white solid?

[1]
A

Calcium carbonate

B

Sodium carbonate

C

Aluminium sulfate

D

Magnesium carbonate

Markscheme

8.3 Identification of ions by chemical and spectroscopic means Questions

  1. GCSE
  2. /Chemistry
  3. /8.3 Identification of ions by chemical and spectroscopic means

40 exam-style questions on AQA GCSE Chemistry 8.3 Identification of ions by chemical and spectroscopic means, covering 8.3.1 Flame tests, 8.3.2 Metal hydroxides, 8.3.3 Carbonates, 8.3.4 Halides, 8.3.5 Sulfates, 8.3.6 Instrumental methods, and 8.3.7 Flame emission spectroscopy. Each one has a worked solution and a mark scheme showing where the marks go.

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