Match List-$I$ with List-$II$ :
List-$I$ (Species) List-$II$ (Maximum allowed concentration in ppm in drinking water) $A$. $F^{-}$ $I$. $< 50 \, ppm$ $B$. $SO_{4}^{2-}$ $II$. $< 5 \, ppm$ $C$. $NO_{3}^{-}$ $III$. $< 2 \, ppm$ $D$. $Zn$ $IV$. $< 500 \, ppm$
| List-$I$ (Species) | List-$II$ (Maximum allowed concentration in ppm in drinking water) |
| $A$. $F^{-}$ | $I$. $< 50 \, ppm$ |
| $B$. $SO_{4}^{2-}$ | $II$. $< 5 \, ppm$ |
| $C$. $NO_{3}^{-}$ | $III$. $< 2 \, ppm$ |
| $D$. $Zn$ | $IV$. $< 500 \, ppm$ |
- A$A-II, B-I, C-III, D-IV$
- B$A-IV, B-III, C-II, D-I$
- C$A-I, B-II, C-III, D-IV$
- D$A-III, B-IV, C-I, D-II$
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