Relevant Competitive Tests:
Which of the following constituents of pollutant exhaust in hazardous to man?
A. Carbon monoxideCorrect Answer
B. Carbon dioxide
C. Lease particles
D. Carbon particles
Correct Option: A. Carbon monoxide
Detailed Explanation & Reference:
Carbon monoxide is harmful when breathed because it displaces oxygen in the blood and deprives the heart, brain and other vital organs of oxygen. Large amounts of CO can overcome you in minutes without warning — causing you to lose consciousness and suffocate.
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