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Solids like faeces which settle at the b...

Solids like faeces which settle at the bottom of a large tank during treatment in water plant is called:

A

silt

B

pond scum

C

emulsion

D

sludge

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NCERT TELUGU-WATER-EXERCISE
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  7. The disease causing germs in waste water can be killed by using the ga...

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

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  10. Oldest VanaSamrakshana Samithi in A.P. is

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  11. When do we celebrate World Water Day?

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  13. Biogas is produced by

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

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  15. This allows growth of microbes that breakdown wastes

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

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

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

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

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  20. Fill in the Blanks and give reasons:Drains get blocked byand

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