O-LevelChemistryMetals & Reactivity5070/12 · May/June 2023 · Q391 Mark

The results of a paper chromatography experiment are shown. X is an aqueous solution of a salt of a Group I element. Y is an aqueous solution of a salt of a transition element. Which row is correct?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

AX; X

BX; Y

CY; X

DY; Y

✓ Correct answer

C: Y; X

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2023 Paper 1 Variant 2, question 39.

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