Which of the following acids is predominantly present in tomatoes and spinach?
Correct Answer: Oxalic acid
Subject: chemistry
- Acetic acid
- Citric acid
- Oxalic acid
- Lactic acid
Explanation: • <b>Key Fact</b>
Oxalic acid (C₂H₂O₄) is found in leafy greens like spinach, tomatoes, and beetroot.
• <b>Supporting Detail</b>
It is also used in removing rust stains and as a bleaching agent.
• <b>Related Concept</b>
Other organic acids include citric in lemons and acetic in vinegar.
• <b>Why wrong options are wrong</b>
Acetic is in vinegar, citric in citrus fruits, lactic in milk.
• <b>Exam Trick</b>
Remember 'OT' - Oxalic Tomato.
• <b>Additional Info</b>
Formic acid is found in ant stings and fruits.