Question

arrange the following fuels in order of decreasing calorific value ( keeping the fuel with highest calorific value first)

biogas , kerosene, wood , petrol , hydrogen gas , methane​

Answer 1

Answer:

hydrogen ( 150 kj/ g) > methane(55 kj/ g)> petrol(50 kj/ g ) >kerosene (48 kj/ g)> biogas(40 kj/ g) > wood(17 kj/ g )

hope it helps