A) electrophoresis
B) purple of cassius
C) protective colloid
D) amount of pure gold
Correct Answer: C
Solution :
The protective power of hydrophilic colloid is expressed in terms of gold number. Lower the gold number greater is its protective power. The gold number is defined as the number of milligram of protective colloid, required to just prevent the coagulation of 10 mL of gold sol by the addition of 1 mL of 10%\[NaCl\] solution.
You need to login to perform this action.
You will be redirected in
3 sec
