A) coagulation value
B) gold number
C) critical micelle concentration
D) oxidation number
Correct Answer: B
Solution :
Lyophobic sols are unstable, so they are stabilised by adding some lyophilic colloids which protect them from precipitation. Thus, lyophilic colloids are called protecting colloids. Their protecting power is expressed in terms of gold number. Note Lesser the gold number, higher is the protecting power.You need to login to perform this action.
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