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Why are industrial effluents more diffi...

Why are industrial effluents more difficult to manage than municipal sewage ? Name a disease that is caused by heavy metal contamination .

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Disposal of sewage and industrial effluents into water bodies , resulting in contamination of ……………

A metal is treated with dilute sulphuric acid. The gas evolved is collected by the method shown in the figure: (i) Name the gas (ii) Is the gas soluble or insoluble in water? (iii) Is the gas lighter or heavier than air? (iv) How will you test the gas (v) IF the metal used above in zinc then write the chemical equation for the evolution of gas (vi) Write one industrial use of the gas evolved.

OSWAAL PUBLICATION-ENVIRONMENTAL ISSUES -TOPIC - 1 ( SHORT ANSWER TYPE QUESTIONS - I)
  1. What is eutrophication ? Explain its consequence on the life of plan...

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  2. Thermal power plants are inevitable in an industrial and densely pop...

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  3. A crane had DDT level as 55m is its body . What would be happen to the...

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  4. How did pollution of environment start ?

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  5. Differentiate between contamination and pollution.

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  6. Name a few pollutants added to air by nature.

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  7. What is the major air pollutant ? Give its source.

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  8. What are radiocative elements ? Cite a few exmple .

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  9. How do radiations affects the cells ?

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  10. How does nature depollutes the air ?

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  11. What is nuclear fall out ? How does it reach living organisms ?

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  12. Which plants can absorb heavy metals ? How is this useful ?

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  13. Give advantages of CNG over pertol or diesel .

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  14. Why are nuclear power plants considered as a therat to ecologyical s...

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  15. Why is the load of biodegradable material dangerous to the water bodi...

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  16. Briefly explain Biological Oxygen Demand in water .

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  17. Why the waste is considered as hazardous and the major enviromental...

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  18. Why are industrial effluents more difficult to manage than municipal...

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  19. How can pollution by domestic sewage be controlled ?

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  20. How can water pollution be controlled ?

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