O-LevelChemistryAcids, Bases & Salts5070/11 · May/June 2018 · Q21 Mark

Which mixture can be separated into its components by adding water, stirring and filtering?

Acalcium carbonate and sodium chloride

Bmagnesium and iron

Csodium chloride and copper(II) sulfate

Dsulfuric acid and hydrochloric acid

✓ Correct answer

A: calcium carbonate and sodium chloride

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Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2018 Paper 1 Variant 1, question 2.

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