JEE Advanced 2013 Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Advanced 2013

Sulfide ores are common for the metals

(A)Ag, Cu and PbCorrect
(B)Ag, Cu and Sn
(C)Ag, Mg and Pb
(D)Al, Cu and Pb

Answer: (A)

Solution

Silver (argentite, ), copper (chalcopyrite , copper glance ) and lead (galena, PbS) all occur mainly as sulphides: option (A). Tin occurs as the oxide

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Question ID VK-026147