O-LevelChemistryBonding & Structure5070/12 · Oct/Nov 2020 · Q71 Mark

A sample of a gas occupies a volume of 2.0 dm³ at room temperature and pressure. Which changes in the conditions would both decrease the volume occupied by the gas? temperature pressure A decreased, decreased B increased, decreased C decreased, increased D increased, increased

Adecreased temperature, decreased pressure

Bincreased temperature, decreased pressure

Cdecreased temperature, increased pressure

Dincreased temperature, increased pressure

✓ Correct answer

C: decreased temperature, increased pressure

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2020 Paper 1 Variant 2, question 7.

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