MEDIUM
AP EAPCET
IMPORTANT
Earn 100

Which among the following is not a greenhouse gas?
(a)Nitrous oxide
(b)Water vapour
(c)Sulphur dioxide
(d)Methane

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Important Questions on Environmental Chemistry
EASY
AP EAPCET
IMPORTANT
Identify the coldest region among the following layers of atmosphere?

EASY
AP EAPCET
IMPORTANT
The main constituent of enamel on the surface of teeth is:

EASY
AP EAPCET
IMPORTANT
Green chemistry refers to reactions which_____
