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How does an antacid give relief during stomach irritation due to excess acidity?

Answer and explanation

Correct answer: By neutralising excess acid

Stomach irritation can result when excess hydrochloric acid is present. Antacids contain mild basic substances, such as magnesium hydroxide or other suitable compounds, which react with and neutralise some of this excess acid. The reaction reduces acidity rather than strengthening it; it does not involve producing poisonous carbon monoxide or converting water into acid. Therefore option A correctly expresses the neutralisation principle behind relief from acidity.

Related tags

AntacidStomach AcidityNeutralisationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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