A) coagulation value
B) gold number
C) critical micelle concentration
D) oxidation number
Correct Answer: B
Solution :
| [b] 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. |
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