Multiple choice

Which acid is present in vinegar?

  1. Formic

  2. Acetic

  3. Oxalic

  4. Ascorbic

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vinegar contains approximately 5-8% acetic acid by volume. Acetic acid gives vinegar its characteristic sour taste and pungent odor. Formic acid is found in ant venom, oxalic acid in spinach and rhubarb, and ascorbic acid is vitamin C.

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