Which of the following is used to denature ethanol ? A. Methyl alcohol B. Propyl alcohol C. Phenol D. Methane

The correct answer is A. Methyl alcohol.

Methyl alcohol, also known as wood alcohol or methanol, is a colorless, flammable liquid that is

used as a solvent, fuel, and antifreeze. It is also used to denature ethanol, which is the process of adding a poisonous substance to ethanol to make it unfit for human consumption.

Propyl alcohol, also known as isopropyl alcohol, is a colorless, flammable liquid that is used as a solvent, antiseptic, and rubbing alcohol. It is not used to denature ethanol.

Phenol, also known as

carbolic acid, is a white, crystalline solid that is used as a disinfectant, antiseptic, and preservative. It is not used to denature ethanol.

Methane is a colorless, odorless, flammable gas that is the main component of natural gas. It is not used to denature ethanol.