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UPSC Civil Service Exam Questions

Q1:

What are the gases produced by landfills primarily comprised of?

A Carbon monoxide and hydrogen sulphide.

B Methane and carbondioxide

C Sulphur dioxide and nitrogendioxide

D Ethane and oxygen.

ANS:B - Methane and carbondioxide

In Land fills it's forms a ANAEROBIC reaction, hence it forms methane and carbon dioxide.

In case of aerobic reaction it forms ammonia and carbon dioxide.



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