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ChemistryAcids, Bases and Salts
Antacid Action
Neutralise stomach acid and watch the pH recover.
Controls
6 mmol
2 mmol
Live result
Acid remaining
4mmol
Stomach pH
2.7
Relief
Still acidic
Antacid neutralising stomach acidpH 2.7
Milk of magnesia, Mg(OH)₂, is a mild base that neutralises excess HCl in the stomach.