Q. 364.6( 5 Votes )
What happens when a cold and concentrated solution of sodium chloride reacts with ammonia and carbon dioxide? Write the chemical equation of the reaction which takes place.
Baking soda is obtained by the reaction of cold and concentrated solution of sodium chloride with carbon dioxide and ammonia. This is known as Solvay process. NaCl + CO2 + NH3 + H2O ⇨ NH4Cl + NaHCO3 In this process, calcium carbonate is used as the source of CO2 and the resultant calcium oxide is used to recover ammonia from ammonium chloride.
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