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CGP EDU Academic Team
Published on: August 12, 2026
Enthalpy of sublimation of a substance is equal to:
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A
Enthalpy of sublimation of a substance is equal to enthalpy of fusion + enthalpy of vaporisation. Sublimation is, direct conversion of solid to vapour
Writing in two steps, we have solid 
liquid 
vapour,
solid 
liquid requires enthalpy of fusion
liquid 
vapour requires enthalpy of vaporisation
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