Q.

Most commonly used bleaching agent is –

A. Sodium chloride
B. Alcohol
C. Carbon dioxide
D. Chlorine
Answer» D. Chlorine
Explanation: Chlorine is used to disinfect water and is part of the sanitation process for sewage and industrial waste. During the production of paper and cloth, it is used as a bleaching agent. It is also used in cleaning products; including household bleach which is chlorine dissolved in water Bleaching powder is an important and a commonly used bleaching agent prepared from chlorine.

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