Most commonly used bleaching agent is A. Sodium chloride B. Alcohol C. Carbon dioxide D. Chlorine

The most commonly used bleaching agent is chlorine.

It is a powerful oxidizer that can break down the bonds that hold color molecules together, causing them to lose their color. Chlorine is often used in commercial bleaching operations, such as those used to whiten paper and textiles. It can also be used in household bleaches, such as Clorox bleach.

Sodium chloride, or table salt,

is not a bleaching agent. It is a mineral that is used to season food and to preserve food.

Alcohol is not a bleaching agent. It is a solvent that is used to dissolve other substances.

Carbon dioxide is not a bleaching agent. It is a gas that is used in carbonated beverages and in fire extinguishers.

Chlorine is the most commonly used bleaching agent because it is effective and inexpensive. It is also a versatile bleaching agent, as it can be used to bleach a variety of materials, including paper, textiles, and wood.