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Hydrogen can be obtained from water, by ...

Hydrogen can be obtained from water, by the action of water on

A

Calcium carbide

B

Calcium hydride

C

Calcium oxide

D

Calcium.

Text Solution

Verified by Experts

The correct Answer is:
B, D
(B) `CaH_(2)+2H_(2)OtoCa(OH)_(2)+2H_(2)uarr`
(D) `Ca+2H_(2)OtoCa(OH)_(2)H_(2)uarr`
Calcium carbide with water gives acetylene and calcium oxide with water gives calcium hydroxide.
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DINESH PUBLICATION-HYDROGEN-SELECTED STRAIGHT OBJECTIVE TYPE MCQs
  1. Hydrogen can be obtained from water by

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  2. Hydrogen peroxide is

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  3. Hydrogen can be obtained from water, by the action of water on

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  4. Pick out the correct statement (s)

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  5. Pick out the correct statement (s)

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  6. The metal (s) which react with NaOH(aq) to give H(2) under ordinary co...

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  7. Chromic salts (Cr^(3+)) can be reduced to chromous salts (Cr^(2+)) by ...

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  8. The acid not suitable for the preparation of H(2) by action with metal...

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  9. Pick the odd one out

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  10. Hydrogen is evolved the action of cold dilute HNO(3) on :

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  11. HCl is added to following oxides. Which one would give H(2)O(2) ?

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  12. Which one of the following chlorides will not fume in air ?

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  13. Hydrogen gas will not reduce:

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  14. The oxide that gives H(2)O(2) on treatment with a dilute acid is

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  15. The sum of the number of neutrons and proton in the isotope of hydroge...

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  16. When zeolite, which is hydrated sodium aluminium silicate, is treated ...

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  17. The amount of H(2)O(2) present in 1 L of 1*5 NH(2)O(2) sodium is

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  18. The maximum possible number of hydrogen bonds a water molecule can for...

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  19. Which of the following pairs will not produce dihydrogen gas ?

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  20. Hydrolysis of one mole of peroxodisulphuric acid produces

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