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प्रश्न
Which one of the following has the highest calorific value?
विकल्प
kerosene
biogas
LPG
petrol
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उत्तर
LPG
Explanation:
LPG has the highest calorific value, i.e. 55000 kJ/kg.
It means that if 1 kg of LPG is burnt completely, then it will produce 55000 kilojoules of heat energy.
Notes
Calorific value
45000 kJ/kg 35000 to 40000 kJ/kg 45000 kJ/kg
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