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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.
विकल्प
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.
Answer the following question:
Name two human diseases caused due to water pollution.
Differentiate between chemical pollution and thermal pollution.
List the cause of water pollution.
With reference to the sources of water pollutants answer the following question:
Why is it harmful to dispose of household detergents in water bodies?
Water pollution can spread ________ diseases in man.
Explain the different ways by which water gets polluted.
Water sample is called cleanest on the basis of which one of the BOD values is given below.
