Question
A water sample has ppm level concentration of following anions
F-= 10; SO42- =100; NO3-= 50
the anion/anions that make/makes the water sample unsuitable for drinking is /are:
-
only NO3-
-
both 2 SO4- and NO3-
-
only F–
-
only SO42-
Solution
C.
only F–
