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in Chemistry by (73.1k points)

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)   Zn 

(2)  Fe 

(3)  Mn 

(4)  Cu

1 Answer

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Best answer

Correct option  (3) Mn

Explanation:

(i)  zn 5.0 ppm 

(ii)  Fe 0.2 ppm 

(iii)  Mn 5.0 ppm 

(iv)  Cu 3.0 ppm

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