O-LevelChemistryAcids, Bases & Salts5070/11 · May/June 2019 · Q21 Mark

After acidification with dilute nitric acid, a colourless solution of X reacts with aqueous silver nitrate to give a white precipitate. What could X be?

Acalcium iodide

Bcopper(II) chloride

Clead(II) iodide

Dsodium chloride

✓ Correct answer

D: 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 2019 Paper 1 Variant 1, question 2.

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