1. Write the formula and chemical name of bleaching powder

CBSE Class 10 CBSE Class 10 Science
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1
  1. Write the formula and chemical name of bleaching powder.
  2. Write chemical equation to represent the action of atmospheric CO2 gas on bleaching powder when left exposed in open.
  3. State for what purpose is bleaching powder used in water treatment plants.
2

  1. Chemical name of bleaching powder is calcium oxy chloride and its chemical formula is CaOCl2.

  2. CaCl2 + CO2 = CaCO3 + Cl2

  3. To make water free from germs.