Medium
Which of the following processes involves smelting?
- A$2PbS + 3O_2 \to 2PbO + 2SO_2 \uparrow$
- B$Al_2O_3 \cdot 2H_2O \to Al_2O_3 + 2H_2O$
- C$Fe_2O_3 + 3CO \to 2Fe + 3CO_2$
- D$Cr_2O_3 \xrightarrow{Al} 2Cr + Al_2O_3$
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The $MacArthur-Forrest$ process is used for the extraction of which of the following metals?
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View SolutionName the metal $M$ which is extracted on the basis of following reactions:
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