प्रकाश -रसायनी धूम्र-कोहरे – McqOptions

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1.	प्रकाश -रसायनी धूम्र-कोहरे के बनने के समय निम्न में से कौन-सा एक उत्पन्न होता है ?
A.	हाइड्रोकार्बन
B.	नाइट्रोजन ट्राइ-ऑक्साइड
C.	ओजोन
D.	मीथेन
Answer» D. मीथेन

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