O-LevelChemistryRates of Reaction5070/11 · Oct/Nov 2018 · Q141 Mark

Which statements about endothermic reactions are correct? 1 Energy is absorbed from the surroundings. 2 Energy is released to the surroundings. 3 The temperature of the reaction mixture falls. 4 The temperature of the reaction mixture rises.

A1 and 3

B1 and 4

C2 and 3

D2 and 4

✓ Correct answer

A: 1 and 3

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Topic: Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2018 Paper 1 Variant 1, question 14.

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