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Explain the removal of temporary hardnes...

Explain the removal of temporary hardness of water by Clark's method. Give equations.

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Clark's method: This method involves the addition of slaked lime to water either in solid or in liquid form. This results in conversion of soluble bicarbonates to insoluble carbonates. On filtration soft water is obtained.
`Ca(HCO_(3))_(2) + Ca(OH)_(2)rarr 2CaCO_(3) darr + 2H_(2)O`
`Mg(HCO_(3))_(2) + Ca(OH)_(2) rarr CaCO_(3) darr + MgCO_(3) darr + 2H_(2)O`
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