- Write the formula and chemical name of bleaching powder.
- Write chemical equation to represent the action of atmospheric CO2 gas on bleaching powder when left exposed in open.
- State for what purpose is bleaching powder used in water treatment plants.
Chemical name of bleaching powder is calcium oxy chloride and its chemical formula is CaOCl2.
CaCl2 + CO2 = CaCO3 + Cl2
To make water free from germs.