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Question

Sulphide ores are common for the metals:

A

Ag, Cu and Pb

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B

Ag, Cu and Sn

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C

Ag, Mg and Pb

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D

Al, Cu and Pb

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Solution

The correct option is A

Ag, Cu and Pb


All ores are minerals but not all minerals are ores.
For a mineral to be an ore, it should be profitable to extract the metal from the ore.

Argentite is Ag2S - an important ore of silver.
Likewise, galena - PbS, is an important ore for lead.
Copper has several sulphide ores including Cu2S, CuS and \(CuFeS_2)\.

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