Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

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 drinking is :

  1. A

    Zn

  2. B

    Fe

  3. C

    Mn

  4. D

    Cu

Solution

Prescribed level of Mn is 0.5 ppm. So water sample containing Mn = 5ppm is water unsuitable for drinking. 

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