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Define environmental chemistry....

Define environmental chemistry.

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Environmental chemistry is the study of chemical and biochemical processes occurring in nature. It deals with the study of origin, transport, reaction, effects , and fates of various chemical species in the environment.
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Knowledge Check

  • H_2O_2 is used I. as perhydrol. II. in the manufacture chemicals like sodium perborate and per-carbonate. III. in the synthesis of hydroquinone. IV. in the environmental (green) chemistry. Choose the correct option.

    A
    I, II and IV
    B
    I, III and IV
    C
    I, II and III
    D
    All of these

  • Which of the following is an environmental factor?

    A
    Family
    B
    Pre-disposition to certain diseases like diabetes
    C
    Colour of eyes
    D
    Blood type
    • NCERT-ENVIRONMENTAL CHEMISTRY-EXERCISE
    1. Define environmental chemistry.

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    2. Explain tropospheric pollution in 100 words.

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    3. Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?

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    4. List gases which are responsible for greenhouse effect.

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    5. Statues and monuments in India are affected by acid rain. How?

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    6. What is smog? How is classical smog different from photochemical smogs...

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    7. Write down the reactions involved during the formation of photochemica...

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    8. What are the harmful effects of photochemical smog and how can they be...

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    9. What are the reactions involved for ozone layer depletion in the strat...

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    10. What do you mean by ozone hole? What are its consequences?

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    11. What are the major causes of water pollution? Explain.

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    12. Have you ever observed any water pollution in your area? What measures...

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    13. What do you mean by Biochemical Oxygen Demand (BOD)?

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    14. Do you observe any soil pollution in your neighbourhood? What efforts ...

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    15. What are pesticides and herbicides? Explain giving examples.

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    16. What do you mean by green chemistry? How will it help decrease environ...

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    17. What would have happened if the greenhouse gases were totally missing ...

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    18. A large number of fish are suddenly found floating dead on a lake. The...

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    19. How can domestic waste be used as manure?

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    20. For your agricultural field or garden you have developed a compost pro...

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