A:-Dichloro diphenyl trichloro ethane
B:-Dibromo diphenyl tribromo ethane
C:-Difluoro diphenyl tri iodo ethane
D:-Dichloro diphenyl tri iodo ethane
Correct Answer:- Option-A
Question26:-Which of the following compound is not regarded as air pollutant?
۵-50)
B:-co
C:-co,
D:-vo,
Correct Answer:- Option-C
Question27:-The wrong statement about classical smog is
A:-classical smog occur in cool humid climate
B:-classical smog is reducing s....
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