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

Medium

Alum helps in purifying water by

AIEEE 2002 All AIEEE

A
Forming $Si$ complex with clay particles
B
Sulphate part which combines with the dirt and removes it
C
Aluminium which coagulates the mud particles
D
Making mud water soluble

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Surface Chemistry

Subtopic

Colloids, Emulsion, Gel and Their properties with application

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Peptization denotes

EasyMHT CET 2007

Gold numbers of some colloids are: Gelatin $0.005-0.01$,Gum arabic: $0.15-0.25$; Oleate: $0.04-1.0$; Starch: $15-25$. Which among these is a better protective colloid?

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Which of the following is not involved in coagulation?

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The difference between colloids and crystalloids is based on

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The size of a colloidal particle is:

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