5. सबसे खराब वायु प्रदूषण उत्पन्न करने वाला पदार्थ है-(a) धुआँ(b) सल्फर डाइऑक्साइड(c) कार्बन डाइऑक्साइड(d) कार्बन मोनोक्साइड (SSC 20121 D कार्बन मोनोऑक्साइड
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(D)
Explanation:
CARBON MONOXIDE
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Answer:D)) carbon monoxide
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It's a quensidense that I was also studying the same thing from my book
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