AS YOU KNOW THAT THE FORMULA OF WATER IS H2O,in this two ions are present H+ and -OH ions ,the impure water has other particles of salts like Ca++ , Mg++ etc , in this way if we pass electricity they...
1.Many people dump garbage in waterways 2.Directing impure water from factories ,hospitals into waterways 3.Sending house hold water (used for washing)and toilet water(sewage water)into waterways
cause of impure water is the contamination of streams, lakes, underground water, bays, or oceans by substances harmful to it.some reasons are...fertilizers, garbage, heavy metals, hazardous waste,...