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Which is incorrectly matched ?...

Which is incorrectly matched ?

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The correct Answer is:
C
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AAKASH SERIES-ENVIRONMENTAL CHEMISTRY-OBJECTIVE EXERCISE - 3
  1. The BOD values of four samples of water A,B,C and D are 165 ppm. 120pp...

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

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

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

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  5. Nerve toxins are

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  6. Which is incorrectly matched ?

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  7. Modes of controlling pollution in large cities include

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  8. TLV values of four pollutants A,B,C and D are 2ppm, 9 ppm, 20 ppm and ...

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  9. 100 ml of sample of water requires 3.92 mg of K2 Cr2O3 in presence of ...

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  10. COD of a water sample is 8ppm the weight of acidified K(2)Cr(2) O(7) r...

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  11. Proper management of disposal of household and industrial wastes can b...

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  12. Incomplete combustion of petrol in automobile engines can be detected ...

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  13. Among the oxides of nitrogen, a brown coloured gas is

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  14. The compound used as refrigerant is

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  15. Poisonous gas present in the exhaust fumes of car is

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  16. Surface water contains

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  17. Tolerable limits of lead and fluorides in drinking water according to ...

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  18. In Antarctica ozone depletion is due to the formation of following com...

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  19. Pollutant of automobile exhausts that affects nervous system and produ...

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  20. Negative soil pollution is

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