Alum helps in purifying water by:
A. Coagulation of mud particles
B. Sedimentation of mud particles.
C. Dialysis D. forming true solution with water
1. A & C only
2. A & D only
3. B & C only
4. A & B only
This question was previously asked in
Shift 02/06/2023 3:30 PM - 6:30 PM
A
A & C only
B
A & D only
C
B & C only
D
A & B only
Correct Answer
A & B only
Detailed Explanation
1.A & B only
A. Coagulation of mud particles (Alum causes particles to clump together or coagulate).
B. Sedimentation of mud particles (Coagulated particles settle down, aiding in the removal of impurities)
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