JEE Main Chemistry question

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

Not in JEE Main or NEET syllabus

Hydrometallurgy is based on

(A)Calcination
(B)Roasting
(C)Oxidation
(D)ReductionCorrect

Answer: (D)

Solution

Hydrometallurgy dissolves the metal/ore in a suitable chemical reagent (e.g., as a complex cyanide) and recovers the metal from this solution by using a more

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Question ID VK-147184