O-LevelChemistryAcids, Bases & Salts5070/12 · Oct/Nov 2020 · Q231 Mark

Which salts could be prepared by precipitation? 1 barium sulfate 2 lead chloride 3 copper(II) chloride 4 zinc sulfate

A1 and 2

B3 and 4

C1 and 3

D2 and 4

✓ Correct answer

A: 1 and 2

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Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2020 Paper 1 Variant 2, question 23.

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