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8.3 Identification of ions by chemical and spectroscopic means

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Question 25
H

A solution contains one metal ion. A flame test gives an orange-red flame. Sodium hydroxide solution gives a white precipitate that does not dissolve in excess. Which ion is present?

[1]
A

Magnesium ions

B

Aluminium ions

C

Lithium ions

D

Calcium ions

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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