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O-LevelChemistryChemistry of the Environment5070/11 · Oct/Nov 2014 · Q261 Mark

A gas G 1 has no smell, 2 is not poisonous, 3 reacts with hydrogen at high temperature and pressure. What is gas G?

Acarbon monoxide

Bhelium

Cnitrogen

Dchlorine

✓ Correct answer

C: nitrogen

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About this question

Topic: Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2014 Paper 1 Variant 1, question 26.

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