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How can you apply green chemistry for th...

How can you apply green chemistry for the following ?
(a) To control photochemical smog.
(b) To avoid use of halogenated solvents in dryclening and that of chlorine in bleaching.
(c ) to reduce use of synthestic detergents.
(d) To reduce the consumption of petrol and diesel.

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(ii) Soaps should be used in place of synthetic detergents because soaps are 100% biodegradable and donot cause any pollution problems. Nowadays, soft detergents are available which are biodegradable and hence these may be used.
(iv) CNG (Condensed Natural Gas) may be used because it causes less pollution and electrical vehicles which have zero pollution should be used.
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MODERN PUBLICATION-ENVIRONMENTAL POLLUTION -NCERT FILE ( NCERT EXEMPLAR PROBLEMS(Multiple Choice Questions) )
  1. From where does ozone come in the photochemical smog ?

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  2. How is ozone produced in stratosphere?

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  3. Ozone is a gas hevier than air. Wy does ozone layer not settle down ne...

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  4. Some time ago formation of polar stratospheri clouds reported over Ant...

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  5. A person was using water supplied by Municipality. Due to shortage of ...

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  6. Match the pollution(s) in column I with the effect(s) in column II.

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  7. Match the activity given in Column I with the type of pollution create...

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  8. Match the pollutants given in Column I with their effects given in Col...

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  9. Assertion (A) : Green house effect was observed in houses used to grow...

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  10. Assertion (A) : The pH of acid rain is less than 5.6. Reason (R) : C...

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  11. Assertion: Photochemical smog is oxidising in nature. Reason: Photoc...

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  12. Assertion (A) : Carbon dioxide is one of the important greenhouse gase...

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  13. Assertion (A) : Ozone is destroyed by solar radiation in upper streato...

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  14. Assertion (A) : Excessive use of chlorinated synthetic pesticides caus...

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  15. Assertion: If BOD level of water in a reservoir is less than 5 ppm it ...

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  16. How can you apply green chemistry for the following ? (a) To control...

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  17. Green plants use carbon dioxide for photosynthesis and return oxygen t...

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  18. Greenhouse Effect and Global Warming

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  19. A farmer was using pesticides on his farm. He used the produce of his...

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  20. For dry cleaning, in the place of tetrachloroethane, liquefied carbon ...

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