Which of the following substances acts as a gaseous pollutant?
Correct answer: D. All of the above
- A. NO
- B. NO2
- C. SO2
- D. All of the above
Explanation
Nitric oxide (NO), nitrogen dioxide (NO2), and sulfur dioxide (SO2) are all major gaseous air pollutants. They are primarily produced by the combustion of fossil fuels and contribute to problems like smog and acid rain.
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About Environmental Chemistry
Atmospheric pollution includes smog, acid rain, greenhouse gases, ozone depletion and the effects of carbon monoxide, sulfur oxides, nitrogen oxides and particulate matter. Water pollution covers sewage, industrial waste, eutrophication and treatment stages, while green chemistry focuses on reducing hazardous substances, waste and energy use through safer, more efficient processes.
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