What acid does a bee sting leave on the skin? What is the suggested remedy?

Question

Accepted Answer

## Model Answer A bee sting injects **formic acid (methanoic acid)** into the skin, causing pain and irritation. **Remedy:** A mild base such as **baking soda (sodium hydrogencarbonate)** solution should be applied to the affected area. It neutralises the acid, providing relief. *Source: Acids, Bases and Salts, Chapter 2* --- ## Explanation - The examiner expects you to name the specific acid (formic/methanoic acid) for 1 mark and state the correct remedy with a brief reason (neutralisation) for the second mark. - Simply saying "apply a base" without naming it may cost you half a mark — always name **baking soda**. - The key concept being tested is **neutralisation**: acid + base → salt + water. Mentioning this word strengthens your answer.

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