JEE Main Chemistry question

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

Not in JEE Main or NEET syllabus

The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

(A)Leaching
(B)Liquation
(C)LevigationCorrect
(D)Magnetic separation

Answer: (C)

Solution

Levigation (gravity/hydraulic washing) separates ore particles from gangue by exploiting the difference in their specific gravities: the denser ore settles while the lighter gangue is washed away by flowing

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Question ID VK-145240