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प्रश्न
Which of the following is a water pollutant?
पर्याय
Lead
Alum
Oxygen
Chlorine
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उत्तर
Lead
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संबंधित प्रश्न
A large number of fish are suddenly found floating dead on a lake. There is no evidence of toxic dumping but you find an abundance of phytoplankton. Suggest a reason for the fish kill.
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Fill in the Blanks:
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In what way does the industrial waste pollute water?
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Liquid kitchen waste alone constitutes the sewage.
Industrial wastes mainly consist of chemical pollutants.
