Q210
'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the
A.
Industrial chimney exhaust
B.
Automobiles exhaust
AnswerC.
Photochemical reaction in polluted atmosphere
D.
Burning of domestic fuel
Answer: Option B
Solution
Answer: Option B
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