JEE Main Chemistry question

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

Not in JEE Main or NEET syllabus

Which ore is best concentrated by the froth floatation process?

(A)Malachite
(B)Cassiterite
(C)GalenaCorrect
(D)Magnetite

Answer: (C)

Solution

Froth floatation is specifically suited to sulphide ores, which are naturally more hydrophobic; galena () is the classic example concentrated this way,

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Question ID VK-138895