पर्यावरण रसायन विज्ञान प्रश्न 19
प्रश्न: निम्नलिखित में से कौन-सी गैस प्रदूषण का कारण बनती है -
विकल्प:
A) CO
B) $ SO _2 $
C) दोनों [a] और [b]
D) उपर्युक्त में से कोई नहीं
Show Answer
उत्तर:
सही उत्तर: C
BETA
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