Chemistry · 2023
JEE Main · 8 April 2023, Shift 1 · Q71
Match List I with List II: Choose the correct answer from the options given below:
Match List I with List II:
Choose the correct answer from the options given below:
| List I (Species) | List II (Maximum allowed concentration in ppm in drinking water) |
| A. $\displaystyle \mathrm{F}^{-}$ | I. < $\displaystyle 50$ ppm |
| B. $\displaystyle \mathrm{SO}_4^{2-}$ | II. $\displaystyle \quad<5 \mathrm{ppm}$ |
| C. $\displaystyle \mathrm{NO}_3^{-}$ | III. $\displaystyle <2 \mathrm{ppm}$ |
| D. Zn | IV. $\displaystyle <500 \mathrm{ppm}$ |
Official answer
From NTA’s final answer key for this paper.
No correct option: NTA dropped this question in its final answer key.
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JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.