O-LevelChemistryChemistry of the Environment5070/11 · Oct/Nov 2017 · Q321 Mark

The diagram shows part of the carbon cycle. What are processes P, Q and R?

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Acombustion, photosynthesis, respiration

Bphotosynthesis, combustion, respiration

Crespiration, combustion, photosynthesis

Drespiration, photosynthesis, combustion

✓ Correct answer

D: respiration, photosynthesis, combustion

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Topic: Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 1, question 32.

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