The pollutant _ is formed by the burning of fossil fuels.
Correct answer: D. Sulphur dioxide
- A. Nitrogen dioxide
- B. Nitric acid
- C. Nitrous oxide
- D. Sulphur dioxide
Explanation
Fossil fuels, particularly coal and oil, naturally contain varying amounts of sulphur. When these fuels are burned, the sulphur combines with oxygen from the air to produce sulfur dioxide (SO2), a major air pollutant.
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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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