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When 6g carbon is burnt in a sufficient amount of oxygen, the heat evolved is x KJ. The heat of combustion of carbons is

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When 6g carbon is burnt in a sufficient amount of oxygen, the heat evolved is x KJ. The heat of combustion of carbons is
A. `-x KJ`
B. `-2x KJ`
C. `-4x KJ`
D. `-8x KJ`
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1 Answer

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by (59.4k points)
Correct Answer - B
`6 gm rarr x`
`12gm rarr` ?
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