O-LevelChemistryMetals & Reactivity5070/12 · May/June 2023 · Q291 Mark

Metal X reacts with cold water to form a gas. Zinc displaces metal Y from solutions of its salts. The carbonate of metal Z is insoluble. What could be the identities of X, Y and Z?

Asodium; magnesium; sodium

Bsodium; copper; copper

Ccopper; magnesium; copper

Dsodium; copper; sodium

✓ Correct answer

B: sodium; copper; copper

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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 29.

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