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O-LevelChemistryAcids, Bases & Salts5070/12 · Oct/Nov 2021 · Q241 Mark

Which methods could be used to make a pure sample of copper(II) sulfate? 1 acid + metal carbonate 2 acid + metal oxide 3 acid + metal 4 precipitation

A1 and 2 only
B1 and 3 only
C1, 2 and 3
D1, 2 and 4

✓ Correct answer

A: 1 and 2 only

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About this question

Topic
Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2021 Paper 1 Variant 2, question 24.

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