O-LevelChemistryChemistry of the Environment5070/11 · Oct/Nov 2024 · Q301 Mark

Three processes are shown. 1 the decomposition of vegetation 2 emissions from a car engine 3 photosynthesis Which row shows a gas produced in each process?

Aprocess 1: carbon monoxide, process 2: hydrogen, process 3: oxygen

Bprocess 1: carbon monoxide, process 2: nitrogen monoxide, process 3: carbon dioxide

Cprocess 1: methane, process 2: nitrogen monoxide, process 3: oxygen

Dprocess 1: methane, process 2: hydrogen, process 3: carbon dioxide

✓ Correct answer

C: process 1: methane, process 2: nitrogen monoxide, process 3: oxygen

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Topic: Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2024 Paper 1 Variant 1, question 30.

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