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O-LevelChemistryAcids, Bases & Salts5070/12 · Oct/Nov 2022 · Q301 Mark

A pure sample of a salt is obtained by filtration followed by evaporation of the filtrate. Which pair of reagents would produce the salt?

Acopper and hydrochloric acid
Bexcess copper(II) carbonate and hydrochloric acid
Caqueous silver nitrate and hydrochloric acid
Daqueous sodium hydroxide and hydrochloric acid

✓ Correct answer

B: excess copper(II) carbonate and hydrochloric acid

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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 2022 Paper 1 Variant 2, question 30.

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