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Ozone layer is present in %...

Ozone layer is present in `%`

A

troposphere

B

stratosphere

C

mesosphere

D

exosphere

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RESONANCE-HYDROGEN AND ITS COMPOUNDS-INORGANIC CHEMISTRY(Hydrogen & its compunds Y environment chemistry)
  1. In acidic medium , H(2)O(2) acts as a reducing agent in its reaction w...

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  2. Which of the following statements is incorrect ?

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  3. The normality of 30 volume H(2)O(2) solution is :

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  4. One of the following is an incorrect statement. Point out the incorrec...

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  5. Which of the following order are correct ? {:((a)TiH(2) lt BeH(2) l...

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  6. Hydrogen is evolved the action of cold dilute HNO(3) on :

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  7. Water softening by Clarke's process uses

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  8. Polyphosphates are used for softening agents because they

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  9. Which of the following statements regarding hydrogen peroxide is// are...

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  10. In transforming 0.01 mole of PbS to PbSO(4), the volume of '10 volume ...

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  11. Which of the following hydrides are generally non-stoichiometric in na...

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  12. Among the hydrides given below which is reasonably electron precise hy...

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  13. Which of the following is present in maximum amount in acid rain ?

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  14. Which is not correct about greenhouse effect ?

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  15. Which of the following produces another air pollutant by reacting with...

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  16. The smog is essentially caused by the presence of :

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  17. Ozone layer is present in %

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  18. Depletion of ozone layer causes

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  19. Green chemistry has helped in developed of process for manufacture of ...

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  20. Match List I with List II and select the correct answer using the code...

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