Which option contains a group of acidic substances?
Answer and explanation
Correct answer: Lemon juice, vinegar and tamarind
The governing concept is that acids commonly occur in several natural food substances. Lemon juice contains citric acid, vinegar contains ethanoic acid, and tamarind contains organic acids such as tartaric acid. Therefore, option A is the only group in which all listed substances are acidic. The other groups contain soaps, hydroxides, carbonates, or antacids, which are basic or alkaline rather than acidic.
Frequently asked questions
What is the correct answer to this question?
Lemon juice, vinegar and tamarind
Why is this the correct answer?
The governing concept is that acids commonly occur in several natural food substances. Lemon juice contains citric acid, vinegar contains ethanoic acid, and tamarind contains organic acids such as tartaric acid. Therefore, option A is the only group in which all listed substances are acidic. The other groups contain soaps, hydroxides, carbonates, or antacids, which are basic or alkaline rather than acidic.
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.
