Which one of the following has the highest calorific value?
(c) LPG has the highest calorific value, i.e. 55000 kJ/kg.
It means that if 1 kg of LPG is burnt completely, then it will produce 55000 kilojoules of heat energy.
45000 kJ/kg 35000 to 40000 kJ/kg 45000 kJ/kg