Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

1
CCl2F2
2
NH3
3
CH2N2
4
More than one of the above
5
None of the above
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