Which of the following is not a method for coagulation of lyophobic sols?
A. By electrophoresis
B. By mixing oppositely charged sols
C. By adding electrolyte
D. By adding a protective colloid
Answer:B
Which of the following is not a method for coagulation of lyophobic sols?
A. By electrophoresis B. By mixing oppositely charged sols C. By adding electrolyte D. By adding a protective colloid