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Classify the following salts as acidic, basic or neutral salts:
(i)NaCl (ii)Na2SO4 (iii)CaCl2 (iv)K2CO3
Salts can be classified in a variety of ways.
Salts that produce hydroxide ions when dissolved in water are called Basic salts. These are produced by the reaction of a strong base and weak acid. The pH is greater than 7.
Example: Potassium carbonate (K2CO3) is a basic salt.
Salts that produce H+ ions when dissolved in water making it acidic solutions are Acidic salts. These are produced by the reaction of strong acid and weak base. The pH is less than 7.
Example: Calcium chloride (CaCl2) is an Acidic Salt.
Neutral salts are those salts that are neither acidic nor basic in nature. These are produced by the reaction of a strong base and strong acid. The pH is equal to 7, Hence they are neutral in nature.
Example: Sodium chloride ( NaCl ), Sodium sulphate (Na2SO4) is a neutral salt.
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