Calcination is
A) heating an ore, in the presence of hydrogen or another substance, in order to cause a chemical reaction that drives off newly formed volatile compounds.
B) heating an ore, in the presence of helium or another substance, in order to purify the ore and obtain the liquid metal.
C) selectively dissolving a metal in solution to separate it from its ore.
D) the process of heating an ore to drive off volatile compounds.
E) forming metal parts using steam and large crystals of metal.

Question

Quizplus · Accepted Answer

Calcination is the process of heating an ore to a high temperature (usually above 600°C) in order to drive off volatile compounds like water or carbon dioxide, leaving behind the desired metal or mineral. This is a common step in the extraction and purification of metals.

Calcination Is