| सूची-$I$ | सूची-$II$ |
|---|---|
| $(I)$ निस्तापन (Calcination) | $a. Fe_2O_3 \cdot nH_2O \rightarrow Fe_2O_3 + nH_2O$ |
| $(II)$ भर्जन (Roasting) | $b. 2Cu_2S + 3O_2 \rightarrow 2Cu_2O + 2SO_2$ |
| $(III)$ गालक (Flux) | $c. SiO_2 + FeO \rightarrow FeSiO_3$ |
| $(IV)$ थर्मिट (Thermite) | $d. Cr_2O_3 + 2Al \rightarrow Al_2O_3 + 2Cr$ |
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