JEE PYQ: Environmental Chemistry Question 20
Question 20 - 2019 (08 Apr Shift 2)
The maximum prescribed concentration of copper in drinking water is:
(1) 5 ppm
(2) 0.05 ppm
(3) 0.5 ppm
(4) 3 ppm
Show Answer
Answer: (4)
Solution
Maximum prescribed concentration of Cu in drinking water is 3 ppm.