Which one of the major components of vinegar, is acid? A. Nitric acid B. Acetic acid C. Formic acid D. Oxalic acid

Nitric acid
Acetic acid
Formic acid
Oxalic acid

The correct answer is B. Acetic acid.

Acetic acid is a weak organic acid found in vinegar. It is a colorless liquid with a characteristic sour taste and pungent odor. Acetic acid is produced by the fermentation of ethanol by acetic acid bacteria. It is also produced by the oxidation of acetaldehyde. Acetic acid is used in a variety of products, including vinegar, food additives, and solvents.

Nitric acid is a strong mineral acid with the chemical formula HNO3. It is a colorless, fuming liquid that is highly corrosive. Nitric acid is used in the production of fertilizers, explosives, and other chemicals.

Formic acid is a weak organic acid with the chemical formula HCOOH. It is a colorless, flammable liquid with a pungent odor. Formic acid is found in ants and other insects. It is also used in some industrial processes.

Oxalic acid is a weak organic acid with the chemical formula H2C2O4. It is a colorless, water-soluble solid. Oxalic acid is found in some plants, such as rhubarb and spinach. It is also used in some industrial processes.