Previous year MCQs

General science UPPSC 2016 GS-I
Question

Which one of the following gases is not a green house gas?

Answer & Solution

Answer: (Detailed Solution Below)

Option D: O2

Detailed Solution:

The correct answer is “O2”.
O2, which stands for molecular oxygen, is not considered a greenhouse gas.

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  3. C) Phosphorus-32
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