Increased concentration of SO2 and NO2 in the atmosphere causes _.

Correct answer: A. Acid rain

  • A. Acid rain
  • B. Global warming
  • C. Ozone formation
  • D. U.V. rays absorption

Explanation

Sulfur dioxide and nitrogen oxides present in the air reacts with water, oxygen etc. in the atmosphere and cause acid rain by forming acidic pollutant nitric acid, sulphuric acid etc.

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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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