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In between the metals A and B both form ...

In between the metals A and B both form oxide but B also forms nitride, when both burn in air so A and B are

A

`Cs,K`

B

`Mg,Ca`

C

`Li,Na`

D

`K,Mg`

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The correct Answer is:
D
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. The reaction of sodium with water is highly exothermic the rate of rea...

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  2. Which of the following statement is not correct

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  3. In between the metals A and B both form oxide but B also forms nitride...

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

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  5. The metal A is prepared by the electrolysis of fused chloride. It reac...

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  6. Which of the following statement is not correct

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

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

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  9. Magnesium oxide can be obtained by heating :-

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

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

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

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

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  14. Which is main constitutent of egg-shell?

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  15. Baking powder contains:

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

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

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

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