Which compound is used as an antacid in medicine : NaHCO3 or Na2CO3?
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Solution
NaHCO3.
Sodium hydrogen carbonate (baking soda) is used as an antacid, to remove acidity in the stomach. As baking soda is alkaline, it reacts with excess acid and neutralises the acid.
Concept: Chemicals from Common Salt (Uses of Salt) - Preparation and Uses of Baking Soda
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