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O-LevelChemistryAcids, Bases & Salts5070/11 · May/June 2021 · Q151 Mark

Which positive ions are present in aqueous copper(II) sulfate?

Acopper(II) ions only

Bcopper(II) ions and hydrogen ions

Csulfate ions only

Dsulfate ions and hydroxide ions

✓ Correct answer

B: copper(II) ions and hydrogen ions

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About this question

Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2021 Paper 1 Variant 1, question 15.

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