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QJEEM16Ch635d: JEE Main 2016 Chemistry - Class 12 JEEM16Ch635d Solution: The concentration of fluoride, lead, nitrate and iron in a…

The concentration of fluoride, lead, nitrate and iron in a water sample from an underground lake was found to be 1000 ppb, 40 ppb, 100 ppm and 0.2 ppm, respectively. This water is unsuitable for drinking due to high concentration of :

Multiple Choice Options

  • A Lead
  • B Nitrate
  • C Iron
  • D Fluoride

Step-by-Step Verified Solution

The maximum limit of nitrate in drinking water is 5050 ppm. Excess nitrate in drinking water can cause disease such as methemoglobinemia ('blue baby' syndrome).

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