Enthalpyof sublimation of a substance is equal to P (A) enthalpyof fusion \( + \) enthalpyof vap...

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Enthalpyof sublimation of a substance is equal to
P
(A) enthalpyof fusion \( + \) enthalpyof vapourisation
\( \mathrm{W} \)
(B) enthalpyof fusion
-(C) enthalpyof vapourisation
-(D) twice the enthalpyof vapourisation
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