What poisonous gas is contained in the exhaust fumes from cars?

کاروں سے نکلنے والے دھوئیں میں کون سی زہریلی گیس ہوتی ہے؟

Ammonia

Carbon monoxide

Sulfur dioxide

None of these

Carbon monoxide (CO) is a poisonous gas that is emitted from the engine of an automobile.

The smoke released from the automobile is due to the combustion of fuels like petrol and diesel.