

MCQOPTIONS
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1. |
The methods chiefly used for the extraction of Lead u0026Tin from their ores are respectively? |
A. | Self reduction u0026 carbon reduction |
B. | Self reduction u0026 electrolytic reduction |
C. | Carbon reduction u0026 self reduction |
D. | Cyanide process u0026 carbon reduction |
Answer» B. Self reduction u0026 electrolytic reduction | |