JEE Advanced 2013 · Paper 1 · Chemistry Q24

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ChemistrySingle correct+2Question 24 of 60

Sulfide ores are common for the metals

Ag, Cu and Pb

Ag, Cu and Sn

Ag, Mg and Pb

Al, Cu and Pb

Answer and worked solution

Official answer: A

Sulphide ores: argentite Ag₂S, copper pyrites CuFeS₂ / chalcocite Cu₂S, galena PbS. Tin occurs as cassiterite SnO₂, magnesium as carbonate/chloride, aluminium as bauxite.

(A)

Topics:Concentration of ores

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JEE Advanced 2013 · Paper 1, Chemistry question 24