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What is meant by the 'treatment of sewag...

What is meant by the 'treatment of sewage ' ?

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LAKHMIR SINGH & MANJIT KAUR-WASTE WATER STORY-EXERCISE
  1. What is the name of underground pipelines which carry sewage from o...

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

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

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  4. What is treatment of sewages purpose?

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  5. Draw a labelled sketch of wastewater treatment plant .

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

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

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  8. Explain the relation between sanitation and disease .

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

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  10. What is a septic tank ?

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

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  12. Where are septic tank toilets used ?

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

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

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

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

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

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

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  19. which of the following are used for the safe disposal of human excreta...

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  20. Vacuum toilets are usually used in :

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