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8.3 Identification of ions by chemical and spectroscopic means

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Question 16

A soil extract contains one of the following metal ions: iron(II), iron(III), copper(II) or calcium. A few drops of sodium hydroxide solution are added, and a green precipitate forms.

Which metal ion is in the soil extract?

[1]
A

iron(II)

B

iron(III)

C

copper(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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