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| 1. |
Types of salt |
| Answer» Salts can be classified into the following types:a) Normal saltA salt that does not contain any replaceable hydrogen ions is a normal salt. It is obtained by replacing all the hydrogen ions of an acid by metal ions or ammonium ions. Examples: NaCl, Na2SO4, Na3PO4, NH4Cl, K2CO3, CuSO4\xa0etc.b) Bisalts or Acid saltsA bisalt, or an acid salt contains replaceable hydrogen ions in association with the acidic radicals. It is obtained by the incomplete replacement of hydrogen ions by metal ions or ammonium ions.Examples: NaHCO3, NaH2PO4\xa0and Na2HPO4.Since such salts also contain hydrogen ion, the term \'bi\' or acid can be substituted by hydrogen, e.g. sodium bicarbonate or sodium acid carbonate is also called sodium hydrogen carbonate.When bisalts or acid salts dissociate in water, they yield hydrogen or hydronium ions. | |