Multiple choice

What is the natural source of citric acid?

  1. Proteins

  2. Tea

  3. Vinegar

  4. Lemon
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Citric acid is abundantly found in citrus fruits, with lemons being one of the richest natural sources. Lemons contain approximately 5-8% citric acid by weight, which gives them their characteristic sour taste. Citric acid serves as a natural preservative and flavor enhancer in many food products.

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