Which one of the following has the highest calorific value

Which one of the following has the highest calorific value?

  1. kerosene
  2. biogas
  3. LPG
  4. petrol

Answer

LPG has the highest calorific value of 55000 kJ/kg.

It means that if 1 kg of LPG is burnt completely, then it will produce 55000 kilojoules of heat energy.

The correct option is C.