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Sodium bicarbonate (\(NaHCO_3\)) functions as an antacid, neutralising excess hydrochloric acid (\(HCl\)) in our stomach.
Sodium carbonate \(Na_2CO_3\) reacts with hydrochloric acid, carbon dioxide gas \(CO_2\) is liberated.
Because hydrogen gas is heavier than air, it cannot be collected by the downward displacement of air.
2. What is the utility of the reaction between \(NaHCO_3\) and \(HCl\) in daily life situation?
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