O-LevelChemistryBonding & Structure5070/11 · May/June 2022 · Q81 Mark

Which statement about the substances, at room temperature and pressure, is correct?

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AW and X conduct electricity.

BW and Y are elements.

CX and Z dissolve in water.

DY and Z have low melting points.

✓ Correct answer

C: X and Z dissolve in water.

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2022 Paper 1 Variant 1, question 8.

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