Choose the INCORRECT Statement

Multiple Choice

Choose the INCORRECT statement.

A) Precipitation in hydrometallurgy is to precipitate the metal as an ionic solid or reduce it to the metal.
B) Leaching for gold is done by the cyanidation process where Au(s) is complexed with cyanide ion.
C) Electrolytic method is used to purify expensive metals.
D) Pyrometallurgy uses low temperature to freeze out the metal from the ore.
E) Hydrometallurgy uses water and aqueous solutions at moderate temperatures to handle materials.