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8.3 Identification of ions by chemical and spectroscopic means

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Question 14

A technician tests four rinse-water samples from a metal-plating workshop by adding sodium hydroxide solution.

SampleColour of precipitate
PWhite
QBrown
RBlue
SGreen

Which sample contains copper(II) ions?

[1]
A

Sample P

B

Sample R

C

Sample S

D

Sample Q

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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