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GATE Civil Engineering (CE) 2021 Shift 1 Solved Paper

Question : 21

Total: 65

Which one of the following statement is correct?

Pyrolysis is an exothermic process, which takes place in the absence of oxygen.
Pyrolysis is an endothermic process, which takes place in the absence of oxygen.
Pyrolysis is an endothermic process, which takes place in the abundance of oxygen.
Combustion is an exothermic process, which takes place in the absence of oxygen.

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