Muddy water is treated with alum in purification process, it is termed as : (1) emulsification (2) absorption (3) adsorption (4) coagulation

1 Answer

Answer :

(4) coagulation Explanation: Natural and wastewater contain small particulates that are suspended in water forming a colloid. These particles carry the same charges, and repulsion prevents them from combining into larger particulates to settle.

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