a) ions are __ b) __wax burns in a candle flame. c)__is not a fossil fuel e) the calorific Value of an ideal fuel should be ___
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a charged atom
b. oxygen
c biogas
e.Calorific value is the amount of energy released or produced when 1 kg of fuel burns or any other substance is burnt in the presence of oxygen and the products of combustion are cooled to STP. Its SI unit is kJ/kg.
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