BOD is a measure of:
Correct answer: A. Organic pollutant in water
- A. Organic pollutant in water
- B. Oxides of SPN in air
- C. Inorganic pollutant in water
- D. Particle matter in water
Explanation
BOD is the amount of oxygen needed to decompose the organic material present in the water.
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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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