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What type of substance would help reduce irritation caused by a nettle leaf sting?

Answer and explanation

Correct answer: Mild basic substance

Nettle stings are commonly associated with an acidic irritant. The acid-base principle predicts that a mild base can partially neutralise an acid and reduce its irritating effect. Therefore a mild basic substance is the most suitable answer, making option A correct. A strong acid would add to the acidity, while neutral sugar and dry salt do not provide the required neutralisation reaction. The treatment should still be used safely and appropriately.

Related tags

Nettle StingMild BaseNeutralisationAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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