It depends on what the acid is being used for. vinegar is ascorbic acid, battery acid is Hydrochloric acid, which incidentally, is the same acid used to digest food in your stomach. You could be a bit more specific, otherwise I cant really help you, as there are thousands of different acids, for thousands of different uses.
acid anhydride
Formic acid - the same as used by ants
Citric acid is found in most soft drinks.Carbonic acid
That what has been prescribed by your doctor only.
Propionic acid is a carboxylic acid with the chemical formula CH3CH2COOH. It is a naturally occurring organic acid found in some foods and used as a preservative in the food industry.
Digestive acid is a kind of acid/liquid used to break down food.I'm Gr 5 not so good
An organic acid.
malic acid
carboxylic acid
nitric acid
Lactic acid.
cictric acid