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Which chemical is used In fire extinguis...

Which chemical is used In fire extinguishers? How is it harmful?

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Chlorofluorocarbons. It depletes ozone layer.
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OSWAAL PUBLICATION-OUR ENVIRONMENT-TOPIC - 2 (BIODEGRADABLE AND NON - BIODEGRADABLE SUBSTANCES AND GLOBAL WARMING)(VERY SHORT ANSWER TYPE QUESTIONS)
  1. Name the two important non-metallic oxides which causes acid rain :

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  2. What is Ozone ?

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  3. Why are some substance non-biodegradable ?

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  4. Ozone layer is getting depleted at higher levels of the atmosphere

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  5. . Name the chemical compound responsible for the depletion of ozone la...

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  6. Damage to the ozone layer is a cause of concern.

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  7. Name the gas which is produced due to incomplete combustion of fossil ...

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  8. What is the function of ozone in the upper atmosphere ?

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  9. Why should blodegradable and non-blodegradable wastes be discarded In ...

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  10. Which chemical is used In fire extinguishers? How is it harmful?

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  11. What happens during the first step of ozone formation in the atmospher...

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  12. How is ozone formed in the upper atmosphere? Why is the damage of ozon...

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  13. Select the item which is made up of biodegradable material - Plastic b...

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  14. Why is excessive use of CFCs a cause of concern?

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  15. The following organisms form a food chain. Which of these will have th...

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  16. . Name the chemical compound responsible for the depletion of ozone la...

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  17. Mention one negative effect of our affluent life style on the environm...

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  18. State a way to prevent accumulation of harmful chemicals in our bodies...

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  19. List two non-biodegradable wastes generated daily in kitchen which can...

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  20. Which disease is caused in human beings due to depletion of ozone laye...

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