Civil Engineering > GATE 2021 SET-1 > Environmental Engineering
Which one of the following statements is correct?
A
Pyrolysis is an endothermic process, which takes place in the absence of oxygen.
B
Pyrolysis is an exothermic process, which takes place in the absence of oxygen.
C
Combustion is an endothermic process, which takes place in the abundance of oxygen.
D
Combustion is an exothermic process, which takes place in the absence of oxygen.

Correct : a

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