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8.3 Identification of ions by chemical and spectroscopic means

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Question 3
F

A student does a flame test on a mixture of lithium chloride and sodium chloride. Only a yellow flame is seen. Why is no crimson flame seen?

[1]
A

The chloride ions stop lithium giving a flame colour

B

The sodium flame colour masks the lithium flame colour

C

The lithium ions react with the sodium ions in the flame

D

The lithium compound needs a hotter flame to show up

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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