Q. Which one of the following is a major pollutant of automobile gases?
A) Carbon monoxide
B) Oxides of nitrogen
C) Oxides of sulphur
D) Carbon dioxide
Explanation
80% of automobiles exhaust is carbon monoxide. It is a colorless, odourless gas. When inhaled, this gas combines with blood haemoglobin about 200 times faster than does oxygen and results in oxygen deficiency.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.