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Which of the following statements is cor...

Which of the following statements is correct about heat of combuustion?

A

It may be exothermic in some cases and endothermic in other cases

B

It is applicable to gaseous substances only

C

It is always an exothermic reaction

D

Its value does not change with tempareture

Text Solution

Verified by Experts

The correct Answer is:
B

Combustion reaction are always accompanied by the realease of heat
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