O-LevelChemistryAcids, Bases & Salts5070/11 · May/June 2014 · Q241 Mark

A student mixed together aqueous solutions of Y and Z. A white precipitate formed. Which could not be Y and Z?

AY: hydrochloric acid, Z: silver nitrate

BY: hydrochloric acid, Z: sodium nitrate

CY: sodium chloride, Z: lead(II) nitrate

DY: sodium chloride, Z: silver nitrate

✓ Correct answer

B: Y: hydrochloric acid, Z: sodium nitrate

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Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2014 Paper 1 Variant 1, question 24.

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