Question : Vinegar used in cooking contains which of the following compounds?
Option 1: Methanol
Option 2: Sodium sulphate
Option 3: Ammonia
Option 4: Acetic acid
Correct Answer: Acetic acid
Solution : The correct option is Acetic acid.
Acetic acid (CH 3 COOH) , water, and trace amounts of other chemicals, which could include flavourings, make up vinegar. There is variation in the acetic acid content. Acetic acid usually makes up 5% to 8% of the volume of vinegar. Usually, two fermentation processes are used to make acetic acid: first, simple sugars are converted to ethanol by yeast, and then acetic acid bacteria are used to convert ethanol to acetic acid.
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