How can water be purified at home?

Water can be purified by the following methods :

(i) By filtration : Any suspended impurity in the water from well, river or lake can be removed by filtering water through a fine muslin cloth.

(ii) By boiling : Boiling of water for 10-15 minutes kills the germs present in it.

(iii) By using domestic water filters and purifiers : The simplest form of domestic water filter consists of a porous pot made of clay/ceramic. The porous pot acts as a filter and removes all suspended impurities from the water.

(iv) By using water purifiers. These purifiers apart from removing suspended impurities also remove harmful salts and kill harmful microorganisms by ultraviolet radiation.