Which of these pollutants is produced by burning of coal and causes acid rain:
Correct answer: C. SO2
- A. NO
- B. CO2
- C. SO2
- D. CO
Explanation
SO2 is emitted by the burning of fossil fuels - coal, oil, and diesel. SO2 and other sulfur oxides can contribute to acid rain which can harm sensitive ecosystems.Nitrogen oxides are produced in combustion processes, partly from nitrogen compounds in the fuel, but mostly by direct combination of atmospheric oxygen and nitrogen in flames. They also contribute to acid rain.CO2 is a product of combustion reaction and is a greenhouse gas.Carbon monoxide (CO)-a colorless, odorless, tasteless, and toxic air pollutant-is produced in the incomplete combustion of carbon-containing fuels, such as gasoline, natural gas, oil, coal, and wood. It can cause carbon monoxide poisoning.
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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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