O-LevelChemistryAcids, Bases & Salts5070/11 · May/June 2022 · Q271 Mark

Which method should be used to make a pure sample of potassium chloride?

Aadding AgCl(s) to KNO3(aq)

Badding excess K2CO3(s) to HCl(aq)

Cmixing KNO3(aq) with NaCl(aq)

Dtitrating KOH(aq) with HCl(aq)

✓ Correct answer

D: titrating KOH(aq) with HCl(aq)

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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 27.

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