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Question

Identify the compound X in the following reaction:
X+CO2+H2O NaHCO3

A
NaOH
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B
Na2CO3
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C
Na2O
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D
NaH
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Solution

The correct option is B Na2CO3
Sodium bicarbonate (NaHCO3) is prepared by passing carbon dioxide in saturated solution of sodium carbonate
(Na2CO3) in water.

Na2CO3+CO2+H2O 2NaHCO3

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