how can you tell that vinegar is sour
Vinegar has a sour taste. (Think pickles)
Do a pH test on it. You can also taste it - and see that it is sour, which is characteristic of acids.
Vinegar is sour due to the presence of acetic acid, which is formed when bacteria ferment the sugars in alcohol to produce vinegar. Acetic acid gives vinegar its tangy flavor and low pH levels, resulting in its characteristic sour taste.
Acetic acid is responsible for the sour taste of vinegar.
VINEGAR
no
sour,acidic
sour,acidic
sour,acidic
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Vinegar
Either you're talking about *sour* or sore.. Sour is something opposite of sweet. Vinegar is sour. A sore is a wound, an injury.