O-LevelChemistryRates of Reaction5070/12 · Oct/Nov 2014 · Q151 Mark

Which of these processes are both endothermic?

Acombustion, cracking

Bcombustion, fermentation

Ccracking, photosynthesis

Dfermentation, photosynthesis

✓ Correct answer

C: cracking, photosynthesis

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Topic: Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2014 Paper 1 Variant 2, question 15.

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