Science, asked by jesvSh1ivansa, 1 year ago

what are the major components in alum and how do they help in separation?

Answers

Answered by GodCrampy

Alum are double salts of the form A2SO4.B2(SO4)3.24H2O.
Eg: K2SO4.Al2(SO4)3.24H2O
Na2SO4.Al2(SO4)3.24H2O

Alum in water gives Al+3 ions which bring about sedimentation of negatively charged collidal particles in water.

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