O-LevelChemistryMetals & Reactivity5070/11 · May/June 2022 · Q321 Mark

The carbonates of metals W, X and Y are heated and the results are shown. These experimental results can be used to write statements about W, X and Y. 1 The carbonates of W and X gave off carbon dioxide on heating. 2 Metals X and Y are less reactive than metal W. 3 X could be copper. Which statements are correct?

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A1, 2 and 3

B1 and 2 only

C1 and 3 only

D2 and 3 only

✓ Correct answer

C: 1 and 3 only

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2022 Paper 1 Variant 1, question 32.

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