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A student says that lemon juice should be taken to reduce stomach acidity because it is sour. What is the correct correction to this statement?

Answer and explanation

Correct answer: Lemon juice is acidic; a base such as magnesium hydroxide is used to reduce acidity.

The governing concept is neutralisation: an acid reacts with a base to form salt and water. Lemon juice contains citric acid, so its sour taste does not make it suitable for neutralising excess stomach hydrochloric acid. Magnesium hydroxide is a basic antacid and reacts with HCl, making option A correct. Water may dilute acid, while sodium chloride is not an antacid.

Related tags

Acids Bases SaltsNeutralisationAntacidsMagnesium HydroxideStomach AcidityAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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