a student was having a beaker full of muddy water he put a whitish stone like substance in it and suddenly the mud settle down what is this white substance and what do we call this process
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the substance is alum.....method is purification
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The whitish substance is Alum. Alum is used to settle suspended matter in water,This process is called co agulation. In water treatment, coagulation is a process that occurs when a coagulant is added to water to "destabilize" colloidal suspensions.
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