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Acetic acid is an organic acid with the chemical formula CH3COOH, also known as ethanoic acid. It is a colorless liquid with a pungent, sour taste and a distinctive vinegar-like odor. Acetic acid is an important industrial chemical used in the production of various products, including solvents, plastics, textiles, and food additives. It is also the main component of vinegar, which is commonly used as a condiment and preservative in cooking and food preparation.

Aluminum oxide, often referred to as alumina, is a chemical compound made up of aluminum and oxygen atoms (Al2O3). It occurs naturally in various minerals, including corundum and bauxite. It is one of the most widely used compounds, valued for its hardness, strength, and resistance to abrasion and corrosion.

An ammonia solution is a solution of ammonia (NH3) gas dissolved in water. It is a clear, colorless liquid with a pungent odor and a basic pH. The concentration of ammonia in the solution can vary, and is typically expressed in terms of percent by weight or by volume. Ammonia solutions are commonly used in a variety of applications, including cleaning agents, fertilizers, and as a precursor to other chemicals. They are also used in industrial processes such as refrigeration, gas purification, and water treatment. Ammonia solutions can be dangerous if not handled properly, as they are highly corrosive and can release toxic fumes if mixed with certain chemicals

Anhydrous aluminum chloride, often represented as AlCl3, is a chemical compound composed of aluminum and chlorine. "Anhydrous" means it lacks water molecules in its structure. It's a white or pale yellow solid that is highly hygroscopic, meaning it readily absorbs moisture from the air. This property makes handling it a bit tricky since it can form a solution with water vapor in the air, turning into a fuming liquid.