Type of acid is a broad term that encompasses many different types of acids. Boric acid is a weak acid composed of boron, hydrogen, and oxygen. CITRIC acid is a weak organic acid found in citrus fruits. Amino acid is an organic compound made up of amine and carboxylic acid functional groups. Nitric acid is a strong mineral acid composed of nitrogen and oxygen. FATTY acid is a long-chain carboxylic acid found in fats and oils. ACETIC acid is a weak organic acid found in vinegar. URIC acid is a waste product of purine metabolism. Malic acid is a type of organic acid found in apples and other fruits. Oleic acid is a monounsaturated FATTY acid found in animal and vegetable fats. Pectic acid is a polysaccharide found in the cell walls of plants. PEPTIC acid is a digestive enzyme produced in the stomach. Tannic acid is a type of polyphenol found in tea, wine, and some fruits. SELENIC acid is an inorganic acid composed of selenium and oxygen. Sulfuric acid is a strong mineral acid composed of sulfur, oxygen, and hydrogen.