Question

3 kg of coal liberates 6000 kJ of heat on combustion. Find its calorific value.

• A. 2000

Answer 1

The correct option is A 2000
Calorific value is the amount of heat energy produced on complete combustion of 1 kg of fuel.​
Calorific value =
$\frac{Amountofheatreleased}{Amountoffuel}$
$\frac{6000}{3}$ = 2000 kJ/kg
=2000 kJ/kg