Kavita wrote two sentences about calorific value of fuels.
(i) The amount of heat energy required by 1 kg of a fuel to reach its ignition temperature for the complete combustion is called its calorific value.
(ii) It is expressed in a unit called kilojoule per kg (kJ/kg).
Choose the correct sentence(s).
(A) (i)
(B) (ii)
(C) Both (i) and (ii)
(D) None of these
(i) amount of heat energy produced, not required