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Cleaning of water is a process of removi...

Cleaning of water is a process of removing.

A

harmful impurities

B

harmful impurities

C

dissolved & suspended impurities

D

all of these

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NCERT TELUGU-Water Too Little To Waste-Exercise
  1. How much percentage of fresh water exists in glaciers?

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  2. Activated sludge contain the following percentage of water.

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  3. Cleaning of water is a process of removing.

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  4. Dried sludge is used as

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  5. Pumping of water into air for purifications is called.

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  6. Which of the component is essential for metabolic activity?

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  7. It is an example of organic impurities

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  8. The following is an organic impurity came from agriculture industry.

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  9. The instrument used to remove oil and grease in sludge is

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  10. The following is a water conservation construction.

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  11. The following is a rainfed crop

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  12. What is meant by sewage ?

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  13. Mention the sources of sewage.

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  14. What is the chemical substance used for killing microbes in waste wate...

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  15. If you are allowed to visit a sewage treatment plant, what doubts you ...

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  16. What are the materials used for observing changes in waste water at tr...

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  17. Read the table and answer the question that follows: What is the natu...

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  18. Read the table and answer the question that follows: The type of wate...

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  19. Read the table and answer the question that follows: How are we using...

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  20. Read the table and answer the question that follows: Where do we obta...

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