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What Happens When You Add Alum To Water? [Solved]
Alum removes the suspended clay particles from water. Alum helps to remove odour from water.
Water Purification - Why is alum added to water? | #aumsum #kids #science #education #children
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Alum test in raw water l coagulation process practically| Alum water treatment
Changing mud
Why do we add alum to purify water ?
Why do
