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8.3 Identification of ions by chemical and spectroscopic means

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Question 25

A technician tests a solution from an equipment-rinsing tank. The solution contains one of the following metal ions: iron(II), iron(III), copper(II) or calcium. Sodium hydroxide solution is added, producing a brown precipitate.

Which metal ion is in the solution?

[1]
A

copper(II)

B

iron(III)

C

iron(II)

D

calcium

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

93 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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