Q26 / 90 · JEE Main 2019 (08 Apr Shift 2) · Chemistry

The maximum prescribed concentration of copper in drinking water is:

Correct answer
A
$3 p p m$
B
$5 p p m$
C
$0.5 p p m$
D
$0.05 p p m$

Solution

The maximum prescribed concentration of

C u

in drinking water is 3 ppm. If it is the prescribed conc. of

C u

is above, it is not good for health.

Hence, the correct answer is option: 'A'.

Relevant Questions

Given below are two statements : Statement-I : If BOD is 4 ppm and dissolved oxygen is 8 ppm , then it is a good quality water. Statement-II11 Apr, 2023 (M)Water Pollution
Match List I with List II List-I Species List-2 Maximum allowed concentration in ppm in drinking water A F - I 50 ppm B SO 4 2 - II 5 ppm C 08 Apr, 2023 (M)Water Pollution
The water quality of a pond was analysed and its BOD was found to be 4 . The pond has30 Jan, 2023 (E)Water Pollution
The concentration of dissolved Oxygen in water for growth of fish should be more than X ppm and Biochemical Oxygen Demand in clean water sho29 Jan, 2023 (E)Water Pollution
Given below are two statements : Statement I : In polluted water values of both dissolved oxygen and BOD are very low. Statement II : Eutrop28 Jul, 2022 (M)Water Pollution
Match List I with List II List-I Pollutant List-II Disease /sickness A Sulphate 500 ppm I Methemoglobinemia B Nitrate 50 ppm II Brown mottli27 Jul, 2022 (M)Water Pollution