All oxides of Nitrogen are common pollutants except _.
Correct answer: B. N2O5
- A. NO2
- B. N2O5
- C. NO
- D. N2O
Explanation
Nitrogen oxides like NO and NO2 (collectively known as NOx) and nitrous oxide (N2O) are significant air pollutants and/or greenhouse gases. Dinitrogen pentoxide (N2O5) is a highly reactive and unstable solid that readily reacts with water to form nitric acid and is not typically considered a primary atmospheric pollutant itself.
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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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