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LAKHMIR SINGH & MANJIT KAUR-WASTE WATER STORY-EXERCISE
- Explain why , it is harmful to discharge untreated sewage into rivers ...
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- What is meant by the 'treatment of sewage ' ?
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- What is treatment of sewages purpose?
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- Draw a labelled sketch of wastewater treatment plant .
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- Describe the various steps involved in getting clear water from wastew...
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- which fuel can be extracted during wastewater treatment plant process?
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- Explain the relation between sanitation and disease .
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- State the various ways in which you can contribute in maintaining san...
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- What is a septic tank ?
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- Describe the septic tank based toilet with the help of a labelled diag...
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- Where are septic tank toilets used ?
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- which of the following statements about ozone are correct ? A. It i...
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- Which of the following is not an inorganic impurity present in sewage?
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- Which of the following organisms produce biogas from sludge in the dig...
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- Which of the following can be used to disinfect the clean water in a ...
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- Which of the following is not a water -borne disease ?
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- One of the following type of trees are said to help in purifying wast...
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- which of the following are used for the safe disposal of human excreta...
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- Vacuum toilets are usually used in :
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- Which of the following organisms produce biogas from sludge in the dig...
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