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Environmental Chemistry Two Marks Questions

11th Standard

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Chemistry

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. Define smog.

  2. Which is considered to be earth’s protective umbrella ? Why ?

  3. A person was using water supplied by corporation. Due to shortage of water he started using underground water. He felt laxative effect. What could be the cause ?

  4. What is green chemistry ?

  5. Why photochemical smog is called so ?

  6. Write a note on the formation of ozone layer

  7. Write a short note on global warming.

  8. Define stone leprosy and gives its equation.

  9. Distinguish between viable and non-viable pollutants.

  10. Write a short note on the sources of water pollution.

  11. Why and where do we use freons?

  12. Although ozone is heavier than air, it does not settle down near the earth why ?

  13. Name any four methods of waste management

  14. A person consuming metro water suddenly stated consuming well water due to shortage of water supply from municipality. What effect was felt by him? What could be the cause?

  15. Comment on the statement - Green chemistry is a tool for reducing pollution.

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