Chlorine is a chemical element with the symbol Cl and atomic number 17. It is a member of the halogen group in the periodic table and is known for its greenish-yellow gas form at room temperature. Chlorine is highly reactive and is used in a variety of applications, including:
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Water Treatment: Chlorine is commonly used to disinfect drinking water and swimming pools, killing bacteria and other pathogens.
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Bleaching Agent: It is used in the production of bleach and various cleaning products due to its ability to break down stains and whiten materials.
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Chemical Production: Chlorine is essential in producing a wide range of chemicals, including chlorinated solvents, plastics like PVC, and herbicides.
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Industrial Applications: It is used in the manufacture of numerous consumer products, such as textiles, rubber, and pesticides.
Due to its high reactivity, chlorine is not found in its elemental form in nature, but rather in various compounds, such as sodium chloride (table salt). It is important to handle chlorine with care, as it can be toxic and harmful if inhaled or ingested in significant amounts.