Question:
The natural sources of oxalic acid, lactic acid and methanoic acid respectively are:
The natural sources of oxalic acid, lactic acid and methanoic acid respectively are:
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Natural sources of common acids:
- Oxalic acid: Tomato, spinach
- Lactic acid: Curd, sour milk
- Methanoic acid: Ant sting, nettle sting
- Citric acid: Citrus fruits (orange, lemon)
- Tartaric acid: Tamarind, grapes
Updated On: Feb 25, 2026
- tomato, curd, ant-sting
- tomato, orange, nettle-sting
- orange, milk, ant-sting
- orange, sour milk, nettle-sting
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The Correct Option is A
Solution and Explanation
Step 1: Recall natural sources of common acids.
Step 2: Match each acid with its correct source.
Step 3: Analyze each option.
- Oxalic acid: Found in tomatoes, spinach, rhubarb, and wood sorrel.
- Lactic acid: Found in sour milk, curd, yogurt, and fermented products.
- Methanoic acid (Formic acid): Found in ant sting, nettle sting, and bee sting.
Step 2: Match each acid with its correct source.
- Oxalic acid \(\Rightarrow\) Tomato
- Lactic acid \(\Rightarrow\) Curd (sour milk)
- Methanoic acid \(\Rightarrow\) Ant-sting
Step 3: Analyze each option.
- (A) tomato, curd, ant-sting: Correct. Matches all three correctly.
- (B) tomato, orange, nettle-sting: Incorrect. Lactic acid is not found in orange; orange contains citric acid.
- (C) orange, milk, ant-sting: Incorrect. Oxalic acid is not found in orange; orange contains citric acid.
- (D) orange, sour milk, nettle-sting: Incorrect. Oxalic acid is not found in orange.
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