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8.3 Identification of ions by chemical and spectroscopic means

8.3 Identification of ions by chemical and spectroscopic means

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Question 14

An industrial accident at a wastewater treatment facility resulted in the runoff of aluminium sulfate into a local stream.

a.

Describe a test to show that the stream water contains aluminium ions.

Give the result of the test.

[3]
b.

Describe a test to show that the stream water contains sulfate ions.

Give the result of the test.

[2]
c.

Plan an investigation to find the total mass of dissolved solids in a 200 cm3 sample of the stream water.

Your investigation should produce valid results.

[4]
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

29 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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