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What is the name of underground pipel...

What is the name of underground pipelines which carry sewage from our homes to the wastewater treatment plants ?

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LAKHMIR SINGH & MANJIT KAUR-WASTE WATER STORY-EXERCISE
  1. What is sewage?

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  2. State the various ways in which we produce sewage in our homes ?

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  3. What is the name of underground pipelines which carry sewage from o...

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  4. Explain why , it is harmful to discharge untreated sewage into rivers ...

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  5. What is meant by the 'treatment of sewage ' ?

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  6. What is treatment of sewages purpose?

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  7. Draw a labelled sketch of wastewater treatment plant .

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  8. Describe the various steps involved in getting clear water from wastew...

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  9. which fuel can be extracted during wastewater treatment plant process?

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  10. Explain the relation between sanitation and disease .

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  11. State the various ways in which you can contribute in maintaining san...

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  12. What is a septic tank ?

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  13. Describe the septic tank based toilet with the help of a labelled diag...

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  14. Where are septic tank toilets used ?

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  15. which of the following statements about ozone are correct ? A. It i...

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  16. Which of the following is not an inorganic impurity present in sewage?

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  17. Which of the following organisms produce biogas from sludge in the dig...

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  18. Which of the following can be used to disinfect the clean water in a ...

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  19. Which of the following is not a water -borne disease ?

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  20. One of the following type of trees are said to help in purifying wast...

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