Question

4.
The amount of heat produced, on complete burning of 10 kg of a given fuel,
in pure oxygen, equals H kilojoule. The calorific fuel, of that fuel, would equal –
(0.1 H) kJ/kg
(10 H) kJ/kg
(H+10) kJ/kg
(H-10) kJ/kg​

Answer 1

46804467899h- because 7 is used as 56