O-LevelChemistryBonding & Structure5070/12 · Oct/Nov 2023 · Q11 Mark

A solid substance is placed in a flask. The flask is gently heated and the temperature of the substance is recorded at regular time intervals. The diagram shows a graph of temperature against time for this experiment. At which point does the flask contain both a solid and a liquid?

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✓ Correct answer

B: B

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2023 Paper 1 Variant 2, question 1.

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