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heat of combustion of gaseous compounds ...

heat of combustion of gaseous compounds A(molar mass =16) B(molar mass=28) C(molar mass=30) and D(molar mass=40) are-890,-1411,-1560 and-1900kJ/mole respectively.Which has the highest calorific fuel(J/g)?

A

A

B

B

C

C

D

D

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The correct Answer is:
A
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