A) suspended particulate matter (SPM)
B) oxides of sulphur
C) carbon dioxide and carbon monoxide
D) oxides of nitrogen
Correct Answer: C
Solution :
In all metropolitan cities of India 800-1000 tones pollutants are being emitted in air daily. Of which 50% comes from automobile. In Delhi during peak hours automobiles emit 700 kg of CO, 250 kg of hydrocarbons and 60 kg of \[N{{O}_{x}}\]. On an average, 1000 litres of fuel of a car produces 350 kg CO, 0.6 kg \[S{{O}_{2}},\] 0.1 kg of lead and 1.5 kg of SPM. In response to harmful effect, carbon monoxide (CO) combines with haemoglobin of blood and impairs its oxygen carrying capacity. While excess \[C{{O}_{2}}\] attract heating radiations of sun to the earth resulting in rise in temperature of earth (greenhouse effect) and considered as main greenhouse gas.
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