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The heat of combustion for C ,H2 and CH4...

The heat of combustion for `C ,H_2` and `CH_4` are-349.0, -241.8 and -906.7 kJ respectively.The heat of formation `CH_4` is:

A

174.1 kJ

B

274 kJ

C

374.1 KJ

D

74.1 kJ

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The correct Answer is:
D
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