JEE PYQ: Environmental Chemistry Question 27
Question 27 - 2019 (09 Jan Shift 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:
(1) Cu
(2) Mn
(3) Fe
(4) Zn
Show Answer
Answer: (2)
Solution
The water sample containing Mn = 5 ppm is unsuitable for drinking as the prescribed level for Mn in drinking water is 0.5 ppm.
BETA
