Chlorine (Cl)

1. Chlorine is a poisonous, greenish-yellow gas with a pungent odor. Once used as a war gas (1915), it fumes in moist air. 2. A member of the salt-forming group, Chlorine is obtained from Chlorides by the action of oxidizing agents.

3. There are many applications for Chlorine that includes purification of water, paper products, textiles, medicines, food, plastics, and most commonly as a bleaching agent.

4. Exposure to gaseous Chlorine can cause respiratory irritation and liquid Chlorine can cause skin irritation.

5. Straight activated carbon has a limited capacity for Chlorine. The use of an appropriate specially impregnated carbon is recommended.

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