O-LevelChemistryAcids, Bases & Salts5070/12 · May/June 2017 · Q31 Mark

An aqueous solution of zinc chloride is tested by adding reagents. Which observation is correct?

Aforms a white precipitate

Bforms a white precipitate, soluble in excess of the reagent

Cforms a white precipitate, insoluble in excess of the reagent

Dforms a grey precipitate

✓ Correct answer

B: forms a white precipitate, soluble in excess of the reagent

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Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2017 Paper 1 Variant 2, question 3.

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