The correct answer is A. vinegar.
Vinegar is a liquid consisting of about 5â8% acetic acid, water, and various flavorings and colorings. It is produced by fermenting alcoholic liquids such as wine, cider, or beer with acetic acid bacteria. Vinegar is an important ingredient in many cuisines, and it is also used as a preservative and a cleaning agent.
Ethanol is a colorless, flammable liquid that is the main component of alcoholic beverages. It is also used as a solvent, a fuel, and a fuel additive.
An ester is a chemical compound that is formed when an alcohol reacts with an acid. Esters are often used in perfumes and other fragrances.
Glacial acetic acid is a pure form of acetic acid that is colorless and has a sharp, vinegar-like odor. It is a strong acid and can be corrosive to skin and other materials.