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.
Frequently asked questions
What is the correct answer to this question?
It neutralises formic acid
Why is this the correct answer?
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.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
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