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8.3 Identification of ions by chemical and spectroscopic means

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Question 18
F

Why is dilute sulfuric acid not used in the test for sulfate ions?

[1]
A

It contains sulfate ions of its own

B

It reacts with barium chloride to give a gas

C

It stops the precipitate from forming at all

D

It is too dangerous to use in a school laboratory

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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