सीएफ़सी एक रसायन छोड़ता है – McqOptions

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1.	सीएफ़सी एक रसायन छोड़ता है जो ओजोन के लिए हानिकारक है
A.	क्लोरीन
B.	एक अधातु तत्त्व
C.	N2O
D.	SO2
Answer» B. एक अधातु तत्त्व

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