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NEETChemistryEnvironmental Chemistry

What is the maximum allowable limit of nitrate in drinking water to prevent health risks?

Options

  1. A30 ppm
  2. B50 ppm
  3. C75 ppm
  4. D100 ppm

Correct answer

B. 50 ppm

Step-by-step solution

The maximum limit of nitrate in drinking water to avoid health risks, particularly methemoglobinemia or 'blue baby' syndrome, is 50 ppm.

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