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प्रश्न
Which of the following produces more heat (per unit mass) on burning?
उत्तर
Liquefied petroleum gas, or LPG, produces more heat than coal, because LPG (50 kJ/g) has higher a calorific value than coal (25-30 kJ/g).
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संबंधित प्रश्न
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MULTIPLE CHOICE TYPE:
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