Which of the following general process occurs when a mineral is roasted?
A)Metal sulfide is reduced to the metal
B)Metal oxide is reduced to the metal
C)Metal is converted to metal oxide
D)Metal sulfide is converted to metal oxide
E)Metal oxide dissolves in aqueous solution

Question

Quizplus · Accepted Answer

Roasting is a process in which a metal sulfide is heated strongly in excess air, which causes it to react with oxygen from air, converting it into metal oxide and sulfur dioxide gas. Therefore, the correct answer is D, which states that the metal sulfide is converted to the metal oxide during roasting.

Which of the Following General Process Occurs When a Mineral