A) sulphur dioxide
B) carbon dioxide
C) carbon monoxide
D) smoke
Correct Answer: C
Solution :
Carbon monoxide (CO) - is colorless, odorless, non-irritating but very poisonous gas. It is a product by incomplete combustion of fuel such as natural gas, coal or wood. Vehicular exhaust is a major source of carbon monoxide.You need to login to perform this action.
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