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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 :
  • a)
    Fluoride
  • b)
    Lead
  • c)
    Nitrate
  • d)
    Iron
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The concentration of fluoride, lead, nitrate and iron in a water sampl...
Fluoride - 1000 ppm
Lead - 40 ppm
Nitrate - 100 ppm
[> 40 ppm gives blue baby syndrome disease.]
Iron - 0.2 ppm
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Most Upvoted Answer
The concentration of fluoride, lead, nitrate and iron in a water sampl...
Fluoride - 1000 ppm
Lead - 40 ppm
Nitrate - 100 ppm
[> 40 ppm gives blue baby syndrome disease.]
Iron - 0.2 ppm
Free Test
Community Answer
The concentration of fluoride, lead, nitrate and iron in a water sampl...
You see maximum conc of ions above which water is unsuitable for drinking us follows--
1.floride-- 10 ppm
2.lead---50 ppb
3.nitrate---50 ppm
4.iron--0.2 ppm

so your correct answer is 3.
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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 :a)Fluorideb)Leadc)Nitrated)IronCorrect answer is option 'C'. Can you explain this answer?
Question Description
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 :a)Fluorideb)Leadc)Nitrated)IronCorrect answer is option 'C'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about 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 :a)Fluorideb)Leadc)Nitrated)IronCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 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 :a)Fluorideb)Leadc)Nitrated)IronCorrect answer is option 'C'. Can you explain this answer?.
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