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Which of the following is environmental ...

Which of the following is environmental friendly reaction

A

A + B `rarr` C (wanted)

B

HOCI (g) `overset(vartheta)(rarr) OH + Cl(g)`

C

`CF_(2) CI_(2) (g) overset(vartheta)(rarr) Cl(g) + CF_(2) - Cl(g)`

D

`NO + O_(3) overset("strato sphere")(rarr) NO_(2) + O_(2) `

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-ENVIRONMENTAL CHEMISTRY-LEVEL - I (EXERCISE-II) (Terms & segments , Air pollution , Water pollution , Soil Pollution Control of environmental pollution , Green Chemistry)
  1. Which one of the following can be recycled ?

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  2. Which pollutant can be used as fertiliser

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  3. Which of the following is environmental friendly reaction

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  4. CH2=CH2+O(2)overset(" onestepoxidation")underset("metal ions")rarrunde...

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  5. (A): Concentration of soluble F^(-) ions in drinking water about 1 ppm...

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  6. 100 ml of sample of water requires 3.92 mg of K2 Cr2O3 in presence of ...

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  7. A sample of pond water containing 20mg of organic matter requires 16 m...

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  8. Which of the following statements is false?

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  9. A,B,C and D are four 100-mlL samples of water. Fluoride ion concentrat...

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  10. Some statements regarding air pollution are given. Among them, the cor...

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  11. 10^(-3) gm equivalents of K(2) Cr(2) O(7) in 50% H(2) SO(4) is needed...

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  12. Green house gases radiate back the following radiations to the earth s...

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  13. (A): Photo chemical smog is Oxidising in nature (R): Photo chemical...

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  14. In the treatment of domestic sewage water, the weight of oxygen that c...

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  15. Which of the following is not the effect of acid rain

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  16. The BOD values of four samples of water A,B,C and D are 165 ppm. 120pp...

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  17. When rain is accompanied by a thunderstorm, the collected rain water w...

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  18. Which of the following reaction causes depletion of ozone layer in sum...

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  19. A sample of pond water contains 40mg of organic matter requires 32mg o...

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  20. Nerve toxins are

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