Question

Chemical Formula of Bleaching Powder is:

  1. 1. CaOCl₂
  2. 2. CaO
  3. 3. CaCO₃
  4. 4. Ca(OH)₂

Answer (Detailed Solution Below)

Option 1: CaOCl₂

Detailed Solution

Answer: (1) CaOCl₂

Explanation:

Bleaching powder has the chemical formula CaOCl₂ (Calcium Oxychloride). It is an important industrial chemical used for disinfection and water treatment. 

  • Limestone is one of the major raw materials used in the production of bleaching powder. 
  • Limestone is a sedimentary rock mainly composed of calcium carbonate (CaCO₃), usually present as calcite or aragonite. 
  • It is widely used in the chemical industry for manufacturing products such as calcium carbide, alkali, and bleaching powder. 
  • In India, Karnataka has the largest share of limestone resources, followed by Andhra Pradesh, Rajasthan, Gujarat, Meghalaya, and Chhattisgarh.
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