Leaching is
A) melting an ore and separating it from the lower density gangue.
B) selectively dissolving a metal in solution to separate it from its ore.
C) the process of heating an ore to drive off volatile compounds.
D) heating an ore, in the presence of argon or another substance, in order to purify the ore and obtain the liquid metal.
E) heating an ore, in the presence of argon or another substance, in order to cause a chemical reaction that drives off newly formed volatile compounds.

Question

Quizplus · Accepted Answer

Leaching is the process of selectively dissolving a metal in solution to separate it from its ore. It involves using a solvent to extract the metal of interest from the ore through a chemical reaction. The solvent used can either be an acid or a base, depending on the metal being extracted.

Leaching Is