A water sample has ppm level concentration of the following metals: Fe = 0.2 , Mn = 5.0 , Cu = 3.0, Zn = 5.0. The metal that makes the water sample unsuitable for drinking is....

A water sample has ppm level concentration of the following metals: Fe

1.	A water sample has ppm level concentration of the following metals: Fe = 0.2 , Mn = 5.0 , Cu = 3.0, Zn = 5.0. The metal that makes the water sample unsuitable for drinking is....
Answer» Cu Mn Zn Fe Solution :Prescribed LEVEL of Mn is 0.5 PPM. So water SAMPLE containing Mn = 5ppm is water unsuitable for DRINKING.