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| List-$I$ (ધાતુ) | List-$II$ (સાંદ્રતા $ppm$ માં) |
|---|---|
| $A$. $Mn$ | $I$. $0.05$ |
| $B$. $Zn$ | $II$. $5.0$ |
| $C$. $Cd$ | $III$. $0.005$ |
| $D$. $Cu$ | $IV$. $3.0$ |
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