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The hypothesis that all photosynthetic o...

The hypothesis that all photosynthetic organic require a source of hydrogen was give by

A

`NaH`

B

`CuH_(2)`

C

`LiH`

D

`BaH_(2)`

Text Solution

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The correct Answer is:
B
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NARAYNA-HYDROGEN & ITS COMPOUCDS-C.U.Q HYDROGEN
  1. Ionic hydrides are usually

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  2. Which of the following exists as polymeric chain in the solid state?

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  3. The hypothesis that all photosynthetic organic require a source of hyd...

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  4. Di-hydrogen reduces CuO to

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  5. Which of the following hydride have significant covalent character :

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  6. Which of the following statements are correct about ionic hydrides ? ...

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  7. Law of constant composition doesnot hold good for

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  8. Which of the following is not correct about the hydrides of alkali met...

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  9. How do you expect the metallic hydrides to be useful for hydrogen stor...

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  10. Percentage of water present in oceans

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  11. In ice, oxygen atom is surrounded-

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  12. H(2)O acts as Bronsted acid in the following :

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  13. (I)CuSO(4)+5H(2)OrarrCuSO(4).5H(2)O (II) PCl(3)+3H(2)OrarrH(3)PO(3)...

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  14. The temporary hardness of water is due to the presence of

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  15. The permanent hardness of water is due to the presence of

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  16. Which of the following substances cause permanent hardness of water

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  17. Calgon (a water softener) is :

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  18. The temporary hardness of water due to calcium bicarbonate can be remo...

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  19. The chemical formula of Zeolite is…….

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  20. When Zeolite (Hydrated sodium Alumininum silicate) is treated with har...

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