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+ is complexed with cyanide ion.
C) In cyanidation, the gold is displaced from the complex by an active metal.
D) Pyrometallurgy uses low temperature to freeze out the metal from the ore.
E) Hydometallurgy uses water and aqueous solutions at moderate temperatures to handle materials.

Question

Quizplus · Accepted Answer

Pyrometallurgy uses high temperatures, not low temperatures, to extract metals from ores.

Choose the INCORRECT Statement