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Which of the following can be applied to reduce the irritation caused by a nettle sting?

Answer and explanation

Correct answer: Baking soda solution

A nettle sting contains methanoic acid (formic acid), which causes irritation. Baking soda solution is mildly basic and helps neutralise the acid, so it can reduce the irritation. Vinegar and lemon juice are acidic and therefore do not neutralise the acidic effect. Common salt solution is generally neutral and is not suitable for neutralising this acid.

Related tags

Class 10 ScienceAcids Bases SaltsNettle StingMethanoic AcidBaking SodaNeutralisation

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