Why soap does not work well with hard water containing Ca*? and Mgt?
ions because
a) It react with Ca*2 (or) Mg+2 to form a solution
b) It react with oily dirt to form a white precipitate
c) It reacts with Ca*2 (or) Mg+2 to form a white precipitate
d) It reacts with Ca* (or) Mg 2 to form a colloidal solution
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