O-LevelChemistryAcids, Bases & Salts5070/12 · Oct/Nov 2017 · Q251 Mark

Which ions are present when hydrochloric acid has exactly neutralised aqueous sodium hydroxide?

ANa+, Cl-, H⁺ and OH¯

BNa+, Cl- and H⁺ only

CNa+ and Cl- only

DH+ and OH- only

✓ Correct answer

A: Na+, Cl-, H⁺ and OH¯

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Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 2, question 25.

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