Question
Chemistry Question on Surface Chemistry
Which one of the following does not involve coagulation?
A
Clotting of blood by the use of ferric chloride
B
Formation of delta region
C
Treatment of drinking water by potash alum
D
Peptization
Answer
Peptization
Explanation
Solution
Peptization is a process in which freshly prepared precipitate converted to colloidal sol by adding suitable electrolyte (peptizing agent).