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The metal X is prepared by the electroly...

The metal X is prepared by the electrolysis of fused chloride. It reacts with hydrogen to form a colourless solid from which hydrogen gas is released on treatment with water. The metal is :

A

`AI`

B

`Ca`

C

`Cu`

D

`Zn`

Text Solution

Verified by Experts

The correct Answer is:
B
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. In between the metals A and B both form oxide but B also forms nitride...

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  2. When SiCl(4) vapours are passed over hot Mg, the products formed are

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  3. The metal X is prepared by the electrolysis of fused chloride. It reac...

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  4. Which of the following statement is not correct?

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  5. Molten sodium chloride conducts electricity due to the presence of:

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  6. CO(2) gas along with solid (Y) is obtained when sodium salt (X) is hea...

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  7. Magnesium oxide can be obtained by heating :-

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  8. A compoud which can be used in space vehicles both to absorb CO(2) and...

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  9. Nitrate is converted into metal oxide on heating. This metal is:

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  10. There is loss in weight when mixture of Li(2)CO(3) and Na(2)CO(3).10H(...

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  11. Which of the following metal forms M(2)O(2) (peroxide)?

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  12. Which is main constitutent of egg-shell?

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  13. Baking powder contains:

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  14. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  15. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  16. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  17. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  18. Na(2)[Be(OH)(4)] is formed when:

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  19. Which is/are true statement(s) when metal carbides react with H(2)O?

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  20. Beryllium is placed above magnesium in the II group. Beryllium dust, t...

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