Extraction of Metals - Result Question 22

####22. Sulphide ores are common for the metals

(2013 Adv.)

(a) Ag,Cu and Pb

(b) Ag,Cu and Sn

(c) Ag,Mg and Pb

(d) Al,Cu and Pb

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Solution:

Element Ores Name
Ag Ag2S Argentite
Cu CuFeS2 Copper pyrites
Pb PbS Galena
Sn SnO2 Cassiterite
Mg MgCO3CaCO3 Dolomite
Al Al2O3xH2O Bauxite


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