Discussion Forum : Environmental Chemistry
Question -


Which of the followings pair does not consist of greenhouse gases?

Options:
A .   Water vapour and CO2
B .   CO and O3 
C .   CH4 and Nitrous Oxide
D .   Chloroflurocarbons and CO2
Answer: Option B
:
B

Except CO, all other gases act as greenhouse gas. 


Points to remember: Greenhouse gases - CO2,O3,CH4, Nitrous Oxide and CFC's



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