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Clean water would have BOD value of less...

Clean water would have BOD value of less than

A

17 ppm

B

5 ppm

C

200,000 ppm

D

10 ppm

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The correct Answer is:
B
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NCERT FINGERTIPS-PRACTICE PAPER 3-Practice Paper 3
  1. Which of the following is not a basic physical quantity?

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  2. In any subshell, the maximum number of electrons having same value of ...

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  3. Clean water would have BOD value of less than

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  4. Which of the followin will show least dipole character?

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  5. Indicate the wrongly named compound.

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  6. Heavy water is used as a

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  7. The pH of 0.05 M Ba(OH)(2) solution is

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  8. Which of the following solutions will have pH close to 1.0?

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  9. The signs of DeltaH,DeltaS and DeltaG for a non-spontaneous reaction a...

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  10. Which oxide is formed when potassium is heated in e3xcess of oxygen?

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  11. What is the decreasing order of strength of the bases OH^(-),NH(2)^(-)...

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  12. The electrons, identified by quantum numbers n and l(i) n=4,l=1 (ii) n...

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  13. Conjugate base of a strong acid is

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  14. A sample of gas has a volume of V(1) litre at temperature t(1).^(@)C. ...

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  15. The liquefaction behaviour of temporary gases approacches that of perr...

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  16. When the temperature is raised, viscosity o the liquid decreases. This...

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  17. the pH of a solution prepared by mixing 2M, 100 mL HCl and M, 200 mL N...

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  18. In which of the following ionisation processes, the bond order has inc...

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  19. In which of the following pairs, the hybridisation of central atoms is...

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  20. Select correct statement for BrF(5).

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