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Which one of the following enthalpy change will have positive sign only
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By Expert Faculty of Sri Chaitanya
a
∆solutionH
b
∆cH
c
∆subH
d
∆hydrationH
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Correct option is C
1- Formation of solution can be exothermic or endothermic2- Combustion is always exothermic3- Sublimation is always endothermic4- Hydration of ions is always exothermic
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