The Wohlwill process is an electrolytic process used to refine ____?
The Wohlwill process is an electrolytic process used to refine ____?
[A]Silver
[B]Copper
[C]Gold
[D]Iron
Gold
The Wohlwill process refers to an electrolytic process for refining gold using a hydrochloric-acid electrolyte. The process gives gold of 99.999% pure, and of higher purity than gold produced by the other common refining method.