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On combustion, carbon forms two oxides CO and \[C{{O}_{2}}\], Heat of formation of \[C{{O}_{2}}\] gas is 94.3 kcal and that of CO is 26.0 kcal. Heat of combustion of carbon is          [JIPMER 2002]

A.                 26.0 kcal              
B.                 ? 94.3 kcal
C.                 68.3 kcal              
D.                 ? 120.3 kcal
Answer» C.                 68.3 kcal              


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