Which of the following conditions in drinking water causes methemoglobinemia?
|
a. |
>50pm of load |
b. |
>100ppm of sulphate |
|
c. |
>50ppm of chloride |
d. |
>50ppm of nitrate |
Which of the following conditions in drinking water causes methemoglobinemia?
|
a. |
>50pm of load |
b. |
>100ppm of sulphate |
|
c. |
>50ppm of chloride |
d. |
>50ppm of nitrate |
Concentration of nitrate >50 ppm in drinking water causes methemoglobinemia.