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| Q. |
The chief constituent of vinegar is – |
| A. | Formic acid |
| B. | Acetic acid |
| C. | Salycylic acid |
| D. | Oxalic acid |
| Answer» B. Acetic acid | |
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Explanation: Vinegar is a liquid substance consisting mainly of acetic acid (CH3CO2H) and water, the acetic acid being produced through the fermentation of ethanol by acetic acid bacteria. It is today mainly used in the kitchen as a general cooking ingredient, but historically, as the most easily available mildacid, it had a great variety of industrial, medical, and domestic uses. |
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