Environmental Chemistry Question 3
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
Options:
A) Iron
B) Fluoride
C) Lead
D) Nitrate
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Parameters Maximum prescribed cone. in drinking water Iron 0.2 ppm Fluoride 1.5 ppm Lead 50 ppb Nitrate 50 ppm (Greater than this causes blue baby syndrome) Hence the concentration of nitrate in a given water sample exceeds from the upper limit as given above.
BETA
