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8.3 Identification of ions by chemical and spectroscopic means

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Question 18

A laboratory has four coded salt solutions. A flame test and a halide test are carried out on each solution.

SampleFlame colourPrecipitate after adding dilute nitric acid and silver nitrate solution
PCrimson redWhite
QCrimson redCream
RLilacYellow
SOrange-redWhite

Which sample contains lithium chloride?

[1]
A

Sample S

B

Sample P

C

Sample Q

D

Sample R

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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