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8.3 Identification of ions by chemical and spectroscopic means

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Question 21

A geologist dissolves a mineral sample in water. The solution is known to contain one of these metal ions: lithium ions, sodium ions, potassium ions or calcium ions. A flame test produces a crimson red flame.

Which metal ion is present in the mineral?

[1]
A

Lithium ions

B

Calcium ions

C

Potassium ions

D

Sodium 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

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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