Select the major air pollutant:
Correct answer: D. All are correct
- A. CO
- B. Mist
- C. Hydrogen sulphide
- D. All are correct
Explanation
Air pollution is caused by a variety of substances. Carbon monoxide (CO) is a major gaseous pollutant, while mist is a particulate pollutant. Hydrogen sulphide is another toxic gas. All of these contribute to air pollution.
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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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