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4.2 Identifying the products of chemical reactions

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Question 15
F

Which pair of solutions can not be told apart by adding sodium hydroxide solution, but can be told apart by a flame test?

[1]
A

Sodium chloride and potassium chloride

B

Sodium chloride and sodium sulfate

C

Copper(II) chloride and copper(II) sulfate

D

Iron(II) sulfate and iron(III) sulfate

Markscheme

4.2 Identifying the products of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /4.2 Identifying the products of chemical reactions

107 exam-style questions on OCR GCSE Chemistry 4.2 Identifying the products of chemical reactions, covering 4.2.1 Tests to identify gases, 4.2.2 Tests for aqueous ions and flame tests, and 4.2.3 Instrumental methods of analysis. Each one has a worked solution and a mark scheme showing where the marks go.

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