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.
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What is the correct answer to this question?
Baking soda solution
Why is this the correct answer?
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.
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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