Kind of Acid is a term used to describe a variety of different acids. Nitric acid is a strong mineral acid with the chemical formula HNO3. Amino acid is an organic compound made up of amine and carboxylic acid functional groups. Nitrous acid is a weak acid that is formed when nitric oxide reacts with water. Malic acid is an organic compound found in fruits such as apples and pears. Tannic acid is a type of polyphenol found in plants and is used in tanning leather. Sulfuric acid is a strong mineral acid with the chemical formula H2SO4. Boric acid is a weak acid that is often used as an antiseptic or insecticide. Lactic acid is an organic compound found in sour milk and other dairy products. CITRIC acid is an organic acid found in citrus fruits. URIC acid is a waste product of the metabolism of purines. Oleic acid is a monounsaturated FATTY acid found in animal and vegetable fats. ACETIC acid is a weak acid found in vinegar. Folic acid is a B vitamin found in leafy green vegetables. Keto acid is an organic acid produced during the breakdown of carbohydrates. FATTY acid is a long chain of hydrocarbons with a carboxylic acid group at one end. Stearic acid is a saturated FATTY acid found in animal and vegetable fats.