Question

Of the given options, choose the combination that contains metals whose ores are most appropriate for roasting. In other words, Sulphide ores are common for which kind of metals?

• A. Ag, Cu, Pb
• B. Ag, Cu, Sn
• C. Ag, Mg, Pb
• D. Al, Cu, Pb

Answer 1

The correct option is A

Ag, Cu, Pb

Let us look at the chief ores of the given metals:

Copper: $CuFe{S}_2$ (chalcopyrites).

Silver: $A{g}_{2}S$ (Argentite)

Lead: PbS (Galena)