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CO(2) gas along with solid (Y) is obtain...

`CO_(2)` gas along with solid `(Y)` is obtained when sodium salt `(X)` is heated. `(X)` is again obtained when `CO_(2)` has is passed into `(Y)`. `X` & `Y` are-

A

`Na_(2)CO_(3), Na_(2)O`

B

`Na_(2)CO_(3), NaOH`

C

`NaHCO_(3),Na_(2)CO_(3)`

D

`Na_(2)CO_(3), NaHCO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
Only `NaHCO_(3)` can viberate `CO_(2)` on heating.
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
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  2. Molten sodium chloride conducts electricity due to the presence of:

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

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  4. Magnesium oxide can be obtained by heating :-

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

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  9. Which is main constitutent of egg-shell?

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  10. Baking powder contains:

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

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

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

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

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

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  18. Potassium is kept in

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  19. Which of the following is not present in cement ?

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  20. A wire of an alkaline earth metal X, burnt in air and dipped in water,...

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