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Hydrogen gas is prepared in the laborato...

Hydrogen gas is prepared in the laboratory by

A

electrolysis of acidified water using platinum electrodes

B

action of zinc with dilute HCI

C

reaction of steam on hydrocarbons

D

controlled oxidation of hydrocarbons.

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The correct Answer is:
B
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AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-OBJECTIVE EXERCISE - 2A (HYDROGEN)
  1. Correct statement among the following is

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  2. The ionisation energy of hydrogen is

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  3. Among the radioactive elements tritium is used as better tracer becaus...

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  4. Compare the radii of H atom, H^(+) ion and H^(-) ion.

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  5. Which property is same for both normal hydrogen and deuterium

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  6. The maximum number of possible hydrogen molecules formed from its isot...

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  7. Fuel gas with highest calorific value among the following

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  8. Thermonuclear reaction is related to

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  9. In naturally available hydrogen, the percentage of tritium is

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  10. Purest form of hydrogen is obtained by

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  11. Hydrogen gas is prepared in the laboratory by

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  12. The fuel gas with highest composition of hydrogen is

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  13. The energy released on combustion in kJ per mole is maximum for

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  14. Dihydrogen reduces CuO to

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  15. Hydrogen is not obtained when zinc reacts with

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  16. In which of the following hydride law of constant composition does not...

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  17. Assertion (A): The isotopes of hydrogen show much difference in their ...

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  18. Which is true statement ?

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  19. The ratio of densities of hydrogen, deuterium and tritium under simila...

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  20. Terrestial hydrogen contains 0.0156% of deuterium mostly in the form o...

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