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Which of the following produces more heat (per unit mass) on burning?Coal or LPG
Among Coal and LPG (Liquefied Petroleum Gas), LPG produces more heat (per unit mass) on burning because it has higher calorific value (50 kJ/g) than coal (25-30 kJ/g).
Explanation
Calorific value of a fuel is defined as the amount of heat produced when 1 gram of a fuel undergoes complete combustion with oxygen. Its SI unit is kJ/kg.
Updated on: 10-Oct-2022
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