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Why can applying a mild baking-soda solution to an ant sting provide relief?

Answer and explanation

Correct answer: It neutralises formic acid

An ant sting commonly introduces formic acid into the skin, which contributes to irritation and a burning sensation. Baking soda, sodium hydrogen carbonate, is mildly basic. When applied appropriately as a dilute solution, it can react with and partially neutralise the acid, helping reduce irritation. Therefore option A is correct. The other choices either reverse the acid-base effect or mention unrelated changes involving skin acidity or carbon dioxide.

Related tags

ScienceClass10Ant-StingBaking-SodaNeutralisationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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