In the combustion of 2.0 gm of methane 25 kcal heat is liberated, heat of combustion of methane would be

100 kcal

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200 kcal

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300 kcal

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400 kcal

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Solution

The correct option is A 200 kcal
On the combustion of 16.0 gm = 25×162 = 200 kcal.
Hence B is correct answer

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