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57585960616263+4/-1Single ChoiceThe gold numbers of protective colloidsA, B, C and D are 0.04, 0.004, 10 and40 respectively. The protective powers ofA.B.C&D are in the order :AA>B>C>DB>A>C>DD>C>A>BDD> C>B>ASubmit

Answer»

option b is correct.. because gold number is inversely proportional to protective powers



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