Most economically valuable metals are processed from
A) ionic compounds.
B) silicate ores.
C) oxide and silicate ores.
D) sulfide and oxide ores.

Question

Quizplus · Accepted Answer

Most economically valuable metals such as copper, lead, zinc, nickel, and iron are processed from sulfide and oxide ores. These ores are typically found in the Earth's crust and are mined and smelted to extract the desired metals. Sulfide ores are composed of sulfide minerals such as chalcopyrite, sphalerite, and galena, while oxide ores contain minerals such as hematite, magnetite, and bauxite. These ores can be processed using various techniques, including flotation, heap leaching, and smelting, to produce the metal of interest.

Most Economically Valuable Metals Are Processed from