Vinegar is an acidic liquid. What is it made from?

Vinegar is made from the fermentation of dilute alcoholic liquids into acetic acid.

Explanation:

Vinegar is a sour tasting liquid which is produced by the fermentation of dilute alcoholic liquids such as cider, wine and beer.

It is a solution of acetic acid which is more formally also known as ethanoic acid.

The concentration of acetic acid in vinegar is variable as it is used for different purposes with different concentrations.

Cider vinegar is started from apples

Wine vinegar is made from grapes

Malt vinegar is started from barley

White vinegar is made from grain

You can also use peaches or pears

Vinegar is mildly acidic liquid, primarily made as bi-product of the drink industry.