The chemical process of roasting is commonly used to facilitate the reduction of which metal ores?
A)Ag,Cu,and Hg
B)Ag,Mg,and Na
C)Hg and Pt
D)Ag,Mn,and V

Question

Quizplus · Accepted Answer

Roasting is a process in metallurgy where ore is heated in the presence of oxygen or air to remove volatile impurities like sulfur, arsenic, etc. It is commonly used for ores of metals like silver (Ag), copper (Cu), and mercury (Hg), facilitating their reduction by removing these impurities.

The Chemical Process of Roasting Is Commonly Used to Facilitate