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Match the extraction processes listed in column `-I` with metals listed in column`-II` and choose the correct option. `{:("Column"-I,,"Column"-II),((a)"Self reduction method",,(p)"Aluminium from bauxite"),((b)"Carbon reduction method",,(q)"Mercury from cinnabar"),((c )"Electrolytic reduction method",,(r) "Zinc from zinc blende."),((d)"Cyanide process",,(s)"Silver from agentite"):}`A. `a-q,b-r,c-p,d-s`B. `a-r,b-q,c-p,d-s`C. `a-q,b-r,c-s,d-p`D. `a-q,b-p,c-r,d-s` |
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Answer» Correct Answer - 1 `(a)HgS+O_(2)overset("self reduction")rarrHg+SO_(2)` `(b)2ZnS+3O_(2)overset(Delta)rarr 2ZnO+SO_(2)` `ZnO+Coverset("carbon reduction")rarrZn+CO` `(c )` `Al_(2)O_(3)(m)underset("reduction")overset("electrolyte")rarr Al(m)" "(d)Ag_(2)Sunderset("process")overset("cyanide")rarr Ag` |
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