1.

Which one of the following is present as an active ingredient in bleaching powder for bleaching action ?

Answer»

`CaOCl_(2)`
`Ca(O CL)_(2)`
`CaO_(2)Cl`
`CaCl_(2)`

SOLUTION :Bleaching POWDER is a mixture of calcium hypochlorite , `Ca(O Cl)_(2)` and basic calcium chloride , `CaCl_(2) ,Ca(OH)_(2) . H_(2)O` . So ACTIVE ingredient in bleaching powder for bleaching action is `Ca(O Cl)_(2)`.


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