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8.3 Identification of ions by chemical and spectroscopic means

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Question 5

A quality-control chemist at a mineral-processing plant carries out a flame test and a test with sodium hydroxide solution on a solution.

Which pair of results would show that the solution contains copper(II) ions?

[1]
A

Green flame and white precipitate

B

Orange-red flame and white precipitate

C

Green flame and blue precipitate

D

Orange-red flame and blue precipitate

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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