Multiple Choice
Roasting is ________.
A) forming metal parts using heat and small crystals of metal
B) the process of heating an ore to drive off volatile compounds
C) selectively dissolving a metal in solution to separate it from its ore
D) heating an ore in the presence of oxygen or another substance to purify the ore and obtain the liquid metal
E) heating an ore in the presence of oxygen or another substance to cause a chemical reaction that drives off newly formed volatile compounds
Correct Answer:
Verified
Correct Answer:
Verified
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