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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
Clear, transparent water is always fit for drinking. Comment.
Write a brief note on acid rain.
Give an account of various sources and harmful effects of water pollution.
Thermal power plants give out a lot of ______ waste water.
A lot of fish are dying near a sea shore. Describe any two possible causes.
List the three major sources of water pollution
______ of the world population does not get safe drinking water.
Why does water need conservation even though large oceans surround the landmasses?
Phosphate containing fertilisers cause water pollution. Addition of such compounds in water bodies causes:
(i) enhanced growth of algae.
(ii) decrease in amount of dissolved oxygen in water.
(iii) deposition of calcium phosphate.
(iv) increase in fish population.
Study the picture given below and answer the question:
How does water get polluted?
