CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

Which of the following is not a pollutant unless present in excess?
(a) sulphur dioxide
(b) carbon dioxide
(c) carbon monoxide
(d) nitrogen dioxide


Solution

(b) carbon dioxide

Carbon dioxide is considered a pollutant only when its level of concentration in the air is too high. Whereas sulphur dioxide, carbon monoxide and nitrogen dioxide are hazardous gases and are considered pollutants even at low levels of concentration.

Science
Living Science
Standard VIII

Suggest Corrections
thumbs-up
 
0


similar_icon
Similar questions
View More


similar_icon
Same exercise questions
View More



footer-image