Of the given options, choose the combination that contains metals whose ores a

Discussion Forum : General Principles And Process Of Isolation Of Elements

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?

Options:

A . Ag, Cu, Pb

B . Ag, Cu, Sn

C . Ag, Mg, Pb

D . Al, Cu, Pb

Answer: Option A
:
A

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

Copper: $C u F e S_{2}$ (chalcopyrites).

Silver: $A g_{2} S$ (Argentite)

Lead: PbS (Galena)

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