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Question

When NaHCO3 is heated , + CO2+H2O is obtained.

A
Na2CO3
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B
NaOH
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C
NaHCO3
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D
NaCl
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Solution

The correct option is A Na2CO3
Sodium bicarbonate on heating gives out sodium carbonate, carbon dioxide and water. The reaction takes place as follows:

2NaHCO3(s)HeatNa2CO3(s)+CO2(g)+H2O(l)

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