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For clear water ,its BOD should be less ...

For clear water ,its BOD should be less than

A

50 ppm

B

17 ppm

C

10ppm

D

5ppm

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-MOCK TEST 33-Example
  1. Give reasons : C–X bond length in halobenzene is smaller than C–X bond...

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  2. Total number of pi-electrons in benzene is

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  3. Total number of hydrogen molecules required to form ethane from ethyne...

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  4. In anthrcene ,number of pi electrons is equal to x. the value of x is

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  5. The colour chage observed when excess ethyne is passed through the sol...

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  6. Major product is

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  7. consider the given box the total number of gases which are responsible...

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  8. For clear water ,its BOD should be less than

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  9. Consider the following reaction X and Y respectively are

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  10. All the following are the effects of depletion of ozone layer, except

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  11. IUPAC name of K3[Fe(C2O4)3] is?

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  12. Which of the following is not an example of organochlorine which shows...

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  13. Product P is

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  14. Which of the following gases combines with haemoglobin to form a very ...

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  15. In an electrophilic aromatic substitution reaction, the nitro group is...

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  16. Hydrogenation of benzene is done by

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  17. In which of the following zones of atmosphere ozone layer is present ?

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  18. Sometimes , the colour of photochemical smog becomes brown . The reaso...

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  19. Major product (P) formed in the given reaction is

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  20. Sulphonation of benzene is done by which reagent?

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