O-LevelChemistryBonding & Structure5070/11 · May/June 2013 · Q61 Mark

What can be deduced about two gases that have the same relative molecular mass?

AThey have the same boiling point.

BThey have the same number of atoms in one molecule.

CThey have the same rate of diffusion at room temperature and pressure.

DThey have the same solubility in water at room temperature.

✓ Correct answer

C: They have the same rate of diffusion at room temperature and pressure.

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2013 Paper 1 Variant 1, question 6.

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