1.

What is bleaching powder? How is it prepared? List two uses of bleaching powder.

Answer»

Solution :Bleaching power is calcium oxychloride. It is prepared by the action of chlorine on dry SLAKED lime.
`Ca(OH)_2+Cl_2 to CaOCl_2+H_2O`
Bleaching powder
Uses:
(i) Used for bleaching cotton and linen in the TEXTILE industry and wood pulp in PAPER industry ETC.
(i) It is used for disinfecting the drinking water.


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