It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of
A. CO2
B. CO
C. Unburnt petrol
D. SO2
Answer: Option B
Solution(By Examveda Team)
The extremely high concentrations of carbon monoxide produced by an engine can raise CO concentrations in a closed building so quickly that a person may collapse before they even realize there is a problem.Carbon monoxide reduces the amount of oxygen to the brain, causing CO intoxication, and lack of reasoning. Hence option D is correct answer.
This Question Belongs to General Knowledge >> Chemistry
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