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The reaction involved during the removal of temporary hardness of water is:A. `2CaCl_(2)+(NaPO_(3))_(6)rarrNa_(2)(Ca_(2)(PO_(3))_(6))+4NaCl`B. `CaCl_(2)+Na_(2)CO_(3)rarrCaCO_(3)darr+2NaCl`C. `MgSO_(4)+Na_(2)Al_(2)Si_(2)O_(8)xH_(2)OrarrMgAl_(2)Si_(2)O_(7)xH_(2)O+Na_(2)SO_(4)`D. `Ca(HCO_(3))_(2)overset(Delta)rarrCaCO_(3)+H_(2)O+CO_(2)darr` |
| Answer» Correct Answer - d | |