Question

what do you understand by "available chlorine" as used in case of bleaching powder.

Answer 1

Hello mate,

Here is your answer,

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The amount of free chlorine that a substance (such as bleaching powder) yields when treated with an acid in the presence of a chloride (such as sodium chloride or calcium chloride).

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HOPE THIS HELPS UU :)

AND STAY BLESSED.

Answer 2

Chlorine liberated when bleaching powder is treated with excess of dilute sulphuric acid is called available chlorine