A Level Chemistry 9701/12/O/N/20 Q8

Question

Which pair of enthalpy changes will always share the same sign (i.e. both are always exothermic or both are always endothermic)?
A enthalpy change of atomisation and enthalpy change of neutralisation
B enthalpy change of atomisation and enthalpy change of solution
C enthalpy change of combustion and enthalpy change of hydration
D enthalpy change of solution and enthalpy change of hydration

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    2021-07-07T12:15:55+08:00

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