(B) Coagulation is the process of aggregating colloidal particles to form a precipitate. $A$,$C$,and $D$ are examples of coagulation processes. Peptiz

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(B) Coagulation is the process of aggregating colloidal particles to form a precipitate. $A$,$C$,and $D$ are examples of coagulation processes. Peptization is the reverse process,where a freshly prepared precipitate is converted into a colloidal sol by adding a suitable electrolyte.

Class 12 Chemistry Surface Chemistry Colloids, Emulsion, Gel and Their properties with application

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In which of the following does coagulation not occur?

A
Formation of delta regions
B
Peptization
C
Purification of drinking water using potash alum
D
Clotting of blood using ferric chloride

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Surface Chemistry

Subtopic

Colloids, Emulsion, Gel and Their properties with application

What is the alum used for the purification of water?

Medium

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Match column $I$ (process) with column $II$ (application).
Column $I$ Column $II$
$A$. Dialysis $a$. Cleansing action of soap
$B$. Peptization $b$. Coagulation
$C$. Emulsification $c$. Colloidal solution preparation
$D$. Electrophoresis $d$. Purification of colloidal solution

Column $I$	Column $II$
$A$. Dialysis	$a$. Cleansing action of soap
$B$. Peptization	$b$. Coagulation
$C$. Emulsification	$c$. Colloidal solution preparation
$D$. Electrophoresis	$d$. Purification of colloidal solution

MediumMHT CET 2025

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