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LAKHMIR SINGH & MANJIT KAUR-WASTE WATER STORY-EXERCISE
- What is the purpose of bubbling air into the aeration tank during the ...
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- Name the various wastes which should not be thrown down the drain . W...
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- why should oils and fats not be released in the drain ?
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- What is a vermi-processing toilet ?
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- Name the useful by -product obtained from vermi-processing toilets.
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- What will happen if the large amount of waste generated at public plac...
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- with the help of an example , outline your role as an active citizen i...
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- What is sewage?
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- State the various ways in which we produce sewage in our homes ?
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- What is the name of underground pipelines which carry sewage from o...
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- 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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