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| स्तंभ $I$ | स्तंभ $II$ |
|---|---|
| $1$. क्रोमाइट | $P$. $ZnS$ |
| $2$. मैलाकाइट | $Q$. $FeO \cdot Cr_2O_3$ |
| $3$. क्रायोलाइट | $R$. $CuCO_3 \cdot Cu(OH)_2$ |
| $4$. जिंक ब्लेंड | $S$. $Na_3AlF_6$ |
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