Which of the following pollutant is not the product of automobile exhaust?
Correct answer: D. Fly ash
- A. SO2
- B. Hydrocarbons
- C. CO
- D. Fly ash
Explanation
Fly ash is mainly associated with coal combustion in power stations and industrial furnaces, not normal automobile exhaust. Vehicles can emit carbon monoxide, hydrocarbons, and sulphur dioxide depending on the fuel used.
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