First slide
Hardness of water
Question

Statement I ; The reagent used in Clarke's process of removal of hardness of water is sodium hydroxide

Statement II ; Deionized water is not potable

 

Moderate
Solution

(I) The reagent used in Clarke's process of removal of hardness of water is slaked lime

 (II) Deionized water is not potable i.e it cannot be used for drinking purpose

 

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