Q. Explain Dissolved Impurities in water?

The impurities which are caused by the action of water and water forming Acids with organic matter and carbon dioxide from air during its flow over mineral Salts present in the soil are called dissolved impurities.

These include following :-

(a) Salts :- (I) Calcium and magnesium salts ( Carbonates; Bicarbonates; Chlorides; Sulfates.)

(ii) Sodium salts- Carbonates; Bicarbonates; Chlorides; Sulphates; fluorides.

(b) Metals:- Iron; Lead; Manganese; Arsenic.

( c ) Gases ;- Oxgyen; chlorine; Hydrogen; Sulphide; Carbon dioxide; Ammonia.

(d) Vegetable and Animal matter.