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O-LevelChemistryBonding & Structure5070/11 · May/June 2025 · Q391 Mark

An impure sample of compound X has a melting point of 120 °C. X is purified and its melting point is measured again. Which row is correct?

Acrystallisation | 125
Bcrystallisation | 115
Cdistillation | 125
Ddistillation | 115

✓ Correct answer

A: crystallisation | 125

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About this question

Topic
Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2025 Paper 1 Variant 1, question 39.

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