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MODERN PUBLICATION-ENVIRONMENTAL POLLUTION -NCERT FILE ( NCERT EXEMPLAR PROBLEMS(Multiple Choice Questions) )
- From where does ozone come in the photochemical smog ?
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- How is ozone produced in stratosphere?
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- Ozone is a gas hevier than air. Wy does ozone layer not settle down ne...
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- Some time ago formation of polar stratospheri clouds reported over Ant...
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- A person was using water supplied by Municipality. Due to shortage of ...
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- Match the pollution(s) in column I with the effect(s) in column II.
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- Match the activity given in Column I with the type of pollution create...
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- Match the pollutants given in Column I with their effects given in Col...
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- Assertion (A) : Green house effect was observed in houses used to grow...
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- Assertion (A) : The pH of acid rain is less than 5.6. Reason (R) : C...
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- Assertion: Photochemical smog is oxidising in nature. Reason: Photoc...
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- Assertion (A) : Carbon dioxide is one of the important greenhouse gase...
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- Assertion (A) : Ozone is destroyed by solar radiation in upper streato...
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- Assertion (A) : Excessive use of chlorinated synthetic pesticides caus...
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- Assertion: If BOD level of water in a reservoir is less than 5 ppm it ...
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- How can you apply green chemistry for the following ? (a) To control...
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- Green plants use carbon dioxide for photosynthesis and return oxygen t...
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- Greenhouse Effect and Global Warming
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- A farmer was using pesticides on his farm. He used the produce of his...
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- For dry cleaning, in the place of tetrachloroethane, liquefied carbon ...
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