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NCERT TELUGU-WATER-EXERCISE
- What is meant by sewage ?
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- What is the chemical substance used for killing microbes in waste wate...
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- How is water distributed on the globe ? How much of fresh water is ava...
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- How is fresh water distributed over the globe?
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- What steps are to be taken for prevention of water pollution?
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- What are the contaminants of sewage? Classify them.
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- What is meant by 'Chlorination' and 'Aeration'?
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- What is causing water scarcity ? Write the ways which are degrading t...
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- How can you say that the next cold war could be over Water ?
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- How can we conserve water ? Write some practices that can be adopted.
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- Onlypercent of water is available to be used as fresh water:
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- This is a liquid waste:
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- The sludge is decomposed by:
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- The ultimate source of water is:
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- The water found below water table is called:
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- A gas which kills the bacteria present in drinking water is:
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- The purest sample of water, is
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- Inorganic impurities present in sewage are
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- Anaerobic bacteria decompose the sludge and produce
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- The best drainage system is
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