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A-LevelChemistryGroup 29701/12 · May/June 2022 · Q211 Mark

Q is a Group 2 metal. An excess of QCO₃(s) is added to H₂SO₄(aq) followed by filtration. A sample of QSO₄ is then obtained by evaporation of the filtrate. What could be the identity of Q?

Abarium, calcium or magnesium

Bbarium or calcium only

Ccalcium only

Dcalcium or magnesium only

✓ Correct answer

D: calcium or magnesium only

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About this question

Topic: Group 2, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2022 Paper 1 Variant 2, question 21.

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