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प्रश्न
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.
उत्तर
Sodium hydrogencarbonate (baking soda) is produced when a cold and concentrated solution of sodium chloride (brine) reacts with ammonia and carbon dioxide.
NaCl + NH3 + H2O + CO2 → NaHCO3 + NH4Cl
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