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VGS PUBLICATION-BRILLIANT-WATER TOO LITTLE TO WASTE-EXERCISE
- Nallavally is the oldest vana samrakhana samithi of which district?
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- Waste water released by different users are collectively called.
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- Sewage contains
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- The process involved in treatment of waste water
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- Which gas kills harmful disease causing organisms in waste water?
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- Microbes of chloera and typhoid grow more in
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- How much percentage of fresh water exists in glaciers?
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- Activated sludge contain the following percentage of water.
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- Fill in the blanks and give reasons Cleaning of water is a process o...
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- Dried sludge is used as
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- Pumping of water into air for purifications is called.
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- Which of the component is essential for metabolic activity?
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- It is an example of organic impurities
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- The following is an organic impurity came from agriculture industry.
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- The instrument used to remove oil and grease in sludge is
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- The following is a water conservation construction.
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- The following is a rainfed crop
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- Assertion (A) : Water cycle maintains total water reserves on earth. R...
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- Statement (i) : The inorganic impurities present in waste water are he...
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- World water day is observed on every year from 2005.
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