O-LevelChemistryAcids, Bases & Salts5070/11 · May/June 2022 · Q281 Mark

A pure sample of lead sulfate is made by reacting aqueous solutions of two salts. The lead sulfate formed is then separated from the mixture. Which solutions and method of separation are used?

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Alead chloride; sodium sulfate; crystallisation

Blead chloride; sodium sulfate; filtration

Clead nitrate; potassium sulfate; crystallisation

Dlead nitrate; potassium sulfate; filtration

✓ Correct answer

D: lead nitrate; potassium sulfate; filtration

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Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2022 Paper 1 Variant 1, question 28.

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