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Statement A: Nitrates, phosphates, metal...

Statement A: Nitrates, phosphates, metals etc. are examples for organic impurities.Statement B: Human faeces, animal waste, pesticides, fruit and vegetable waste etc. are examples for inorganic impurities

A

Both A and B are true

B

A is true but B is false

C

A is false but B is true

D

Both A and B are false

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NCERT TELUGU-WATER-EXERCISE
  1. Sludge is removed with

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  2. Statement A: Chlorine kills harmful disease causing organisms present ...

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  3. Statement A: Nitrates, phosphates, metals etc. are examples for organi...

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  4. Which is true about the process Aeration ?(i) It is used for removal o...

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  5. Which of the following is not true about sewage(i) Sewage is more in r...

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  6. Purifying water by spraying it into sunlight to kill bacteria is calle...

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  7. A simple techinique that breaks down waste material and helps in the g...

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  8. The disease causing germs in waste water can be killed by using the ga...

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  9. International decade for action on Water for life' is

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  10. Available fresh water on land is of the total water

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  11. Oldest VanaSamrakshana Samithi in A.P. is

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  12. When do we celebrate World Water Day?

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  13. The waste water from the bathroom can be led intoto grow vegetables:

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  14. Biogas is produced by

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  15. Solids like faeces which settle at the bottom of a large tank during t...

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  16. This allows growth of microbes that breakdown wastes

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  17. Rearrange the following sentences in a correct order(i) A skimmer remo...

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  18. Fill in the Blanks and give reasons:Cleaning of water is a process of ...

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  19. Fill in the Blanks and give reasons:Waste water released by houses is ...

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  20. Fill in the Blanks and give reasons:Dried isused as a manure.

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