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Percent of water present in oceans...

Percent of water present in oceans

A

2.04

B

6.2

C

94.8

D

97.3

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The correct Answer is:
D
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AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-OBJECTIVE EXERCISE - 2A (WATER, HARD WATER, HEAVY WATER)
  1. How many hydrogen bonded water molecules are associated in CuSO4. 5H2O...

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  2. Percent of water present in oceans

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  3. Which salt is water soluble

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  4. The reaction involved during the removal of temporary hardness of wate...

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  5. The formula of exhausted permutit is:

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  6. The substance used for regenerating the exhausted permutit is

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  7. Deionised water is prepared by the following method

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  8. Heavy water is present in

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  9. The electrolyte in the preparation of D2O by electrolysis method is

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  10. Anhydride of deutero sulphuric acid is

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  11. Deutero methane is obtained by the deuterolysis of

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  12. NaOH +D(2) to NaOD+HDO is known as

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  13. When BiCl3 is dissolved in excess of D2O, the product formed is

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  14. 10^5g of a sample of water contained 16.2 g of Ca(HCO3)2 its hardness ...

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  15. Different samples of water containing each 100 ppm of CaCl(2),MgSO(4),...

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  16. 1000g of a water sample contained a calcium salt equivalent to 1g of C...

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  17. The physical constants which are less for D2O than H2O are

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  18. The O-H bond energy in water when compared to O-D bond energy in heavy...

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  19. Heavy water is toxic to micro-organism because of

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  20. Different water samples A, B, C and D have 150 ppm each of CaCl2, MgSO...

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