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A-LevelChemistryChemical energetics9701/12 · Oct/Nov 2018 · Q11 Mark

Which statement about enthalpy changes is correct?

AEnthalpy changes of atomisation are always negative.
BEnthalpy changes of combustion are always positive.
CEnthalpy changes of formation are always positive.
DEnthalpy changes of neutralisation are always negative.

✓ Correct answer

D: Enthalpy changes of neutralisation are always negative.

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About this question

Topic
Chemical energetics, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Oct/Nov 2018 Paper 1 Variant 2, question 1.

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