How is the acid present in lemon juice different from the acid present in curd?
Answer and explanation
Correct answer: Lemon has citric acid and curd has lactic acid
The question tests examples of naturally occurring acids. Lemon juice contains citric acid, which contributes to the sour taste of citrus fruits. Curd contains lactic acid, formed during the conversion of milk sugar by beneficial bacteria. Therefore option A correctly matches each food with its characteristic acid. Options B reverses the examples, while hydrochloric acid and sulphuric acid are not the normal acids responsible for these foods’ sourness.
Frequently asked questions
What is the correct answer to this question?
Lemon has citric acid and curd has lactic acid
Why is this the correct answer?
The question tests examples of naturally occurring acids. Lemon juice contains citric acid, which contributes to the sour taste of citrus fruits. Curd contains lactic acid, formed during the conversion of milk sugar by beneficial bacteria. Therefore option A correctly matches each food with its characteristic acid. Options B reverses the examples, while hydrochloric acid and sulphuric acid are not the normal acids responsible for these foods’ sourness.
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.