. Which one of the following processes does not involve coagulation
A: Peptization
B: Formation of delta
C: Purification of drinking water using alum
D: Tanning of leather using tannin
Best Answer
Explanation :
- There is no coagulation in peptization.
- The process of turning a precipitate into colloidal particles is known as peptidization.
- The transition from colloidal to suspension state is referred to as coagulation.
- Coagulation and peptization are hence diametrically opposed processes.
Final Answer :
Option A : Peptization
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