NEET Chemistry Surface Chemistry Questions Solved

Alum helps in purifying water by:

(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

Concept Videos :-

#2 | Colloidal Solution
#4 | Properties of Colloidal Solution (incl. Hardy Shulze Rule)
#5 | Application of Colloidal Solutions (incl. Gold No.)
#10 | Development of Charge in Colloidal Sols
#11 | Types of Colloidal Solutions

Concept Questions :-

Colloidal Solution
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