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8.3 Identification of ions by chemical and spectroscopic means

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Question 22
H

Why is dilute nitric acid added to a solution before silver nitrate solution?

[1]
A

It removes carbonate ions that would also give a precipitate

B

It removes halide ions that would give a false positive result

C

It makes the silver halide precipitate dissolve more slowly

D

It increases the amount of precipitate that is produced

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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