1.

In an experiment, 4.5 kg of a fuel was completely burnt. The heat produced was 180,000 kJ. The calorific value of the fuel is

A.  180,000 kJ      
B.  40,000 kJ        
C.  40,000 kJ/kg
D.         180,000 kJ/kg
Answer» D.         180,000 kJ/kg


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