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प्रश्न
State whether the following statement is true or false. If false, write the correct statement.
Chemical pollutants include a metallic salt solution of mercury and lead.
पर्याय
True
False
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उत्तर
True
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.
Clear, transparent water is always fit for drinking. Comment.
_________ is used for desalination of brackish water.
List the three major constituents of sewage.
Give a reason why :
Polluted water causes disease.
Answer the following question in one or two paragraphs
What are the major causes of water pollution?
What is water pollution?
List the three major sources of water pollution
Water is not necessary for our basic needs.
Industrial wastes mainly consist of chemical pollutants.
