Match the extraction processes listed in Column $I$ with metals listed in Column $II$:
Column $I$ Column $II$ $A$. Self reduction $P$. Lead $B$. Carbon reduction $Q$. Silver $C$. Complex formation and displacement by metal $R$. Copper $D$. Decomposition of iodide $S$. Boron
| Column $I$ | Column $II$ |
| $A$. Self reduction | $P$. Lead |
| $B$. Carbon reduction | $Q$. Silver |
| $C$. Complex formation and displacement by metal | $R$. Copper |
| $D$. Decomposition of iodide | $S$. Boron |
- A$A-Q, R; B-S, R; C-R; D-Q$
- B$A-P, R; B-P, R; C-Q; D-S$
- C$A-R, S; B-P, R; C-S; D-S$
- D$A-S, R; B-Q, R; C-S; D-R$
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