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  1. Which one of the following is found in Vinegar ?
    1. Acetic acid
    2. Propionic acid
    3. Formic acid
    4. Butyric acid
Correct Option: A

Vinegar is a liquid consisting mainly of acetic acid (CH3COOH) and water. The acetic acid is produced by the fermentation of ethanol by acetic acid bacteria. It is mainly used as a cooking ingredient.



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