{:(,"Column A",,,"Column B"),(A.,"Potable water","()",a.,"Electrolysis"),(B.,"Distilled water","()",b.,"Irrigation"),(C.,"Acidulated water ","()",c.,"Pure water"),(D.,"River water","()",d.,"Laboratory purpose"),(,,"()",e.,"Human consumption"):}

{:(,"Column A",,,"Column B"),(A.,"Potable water","()",a.,"Electrolysis

1.	{:(,"Column A",,,"Column B"),(A.,"Potable water","()",a.,"Electrolysis"),(B.,"Distilled water","()",b.,"Irrigation"),(C.,"Acidulated water ","()",c.,"Pure water"),(D.,"River water","()",d.,"Laboratory purpose"),(,,"()",e.,"Human consumption"):}
Answer» Solution :A - e POTABLE water is fit for HUMAN consumption. B - d, CRAIN water is pure water which is used for LABORATORY PURPOSE. C - a Acidulated water is used as an electrolyte in electrolysis process. D - b River water is used for irrigation purposes.