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Question

Which of the following conditions in drinking water causes methemoglobinemia?
  1. >50ppm of load
  2. >100ppm of sulphate
  3. >50ppm of nitrate
  4. >50ppm of chloride

A
>50ppm of nitrate
B
>50ppm of load
C
>100ppm of sulphate
D
>50ppm of chloride
Solution
Verified by Toppr

The concentration of nitrate >50ppm in drinking water causes methemoglobinemia which is a blood disorder in which an abnormal amount of methemoglobin is produced.

Hence, option D is correct.

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