what causes the temporary and permanent hardness of water
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the hardness of water is caused due to the presence of calcium and magnesium ions furnished byy therir water soluble salts i.e bicarbonates ,sulphonates and chlorides . Temporary hardness is due to presence of bicarbonates of these ions i.e Ca(HCO3),Mg(HCO3).
Permanent Hardness is due to presence of sulphates and chlorides of these ions i.e CaCl2,MgCl2,CaSO4,MgSO4.
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Explanation:
Bicarbonates of calcium and magnesium causes temporary hardness of water whereas Permanente hardness is caused by sulphates and chlorides of calcium and magnesium ions.
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