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Chemistry
Alum is added to muddy water because
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Q. Alum is added to muddy water because
Jamia
Jamia 2006
A
it acts as disinfectant
B
it results in coagulation of clay arid sand
C
clay is soluble in alum, hence removes it
D
it makes water alkaline which is good for health
Solution:
Alum acts as coagulating agent, so it is used to purify water and separate mud from it.