Deh Swaggz
Apr 11
Distinguish temporary hardness water and permanent hardness water?
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Apr 11
Temporary hardness of water is caused by the presence of dissolved bicarbonates of calcium and magnesium, which can be removed by boiling the water or adding lime to it. Permanent hardness of water is caused by the presence of dissolved sulfates, chlorides, or nitrates of calcium and magnesium, which cannot be removed by boiling and require the use of a water softener or ion exchange resin to remove.
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