Deepak Scored 45->99%ile with Bounce Back Crack Course. You can do it too!

The concentration of fluoride, lead, nitrate and iron in a water sample from an underground lake was found to be 1000 ppb,

Question:

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 :- 

  1. Iron

  2. Fluoride

  3. Lead

  4. Nitrate


Correct Option: , 4

Solution:

Leave a comment

None
Free Study Material