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H(2) gas can not be prepared by :...

`H_(2)` gas can not be prepared by :

A

Be + NaOH

B

Na + NaOH

C

Mg + NaOH

D

By (2 & 3 ) method

Text Solution

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The correct Answer is:
D
Only amphoteric element produces hydrogen with `NaOH`.
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ALLEN-HYDROGEN-EXERCISE-1
  1. Weakest reducing agent:

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  2. Nuclear isomerism is exhibited by-

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  3. Which of the following statement is not true for .(1)H^(1),.(1)H^(2),....

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  4. Hydrogen has three isotopes, the number of possible diatomic molecules...

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  5. Dihydrogen has:

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  6. Hydrogen is :

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  7. In which property listed below hydrogen does not resemble alkali metal...

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  8. In which of the following reactions does dihydrogen act as oxidising a...

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  9. Which of the following is an nuclear isomer of hydrogen ?

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  10. The correct order of reactivity among I (atomic hydrogen), II (Dihyd...

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  11. Which combination cannot be used for the preparation of hydrogen gas i...

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  12. By which reaction. Best yield of H(2) gas forms : Temperature of ...

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  13. By which reaction best yield of H(2) gas forms: temperature of al...

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  14. Hydrogen has the tendency to lose one e^(-) and for mation of H^(+), I...

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  15. At sun atmosphere which of the following forms is stable :

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  16. Ratio of Ortho & Para hydrogen in ordinary hydrogen is :

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  17. H(2) gas can not be prepared by :

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  18. Deuterium an isotope of hydrogen is :

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  19. H(2) gas is liberated at cathode and anode both by electrolysis of the...

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  20. Under what conditoin of temperature and pressur the formation of atom...

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