The process of isolation of metals by dissolving the ore in a suitable chemical reagent followed by precipitation of the metal by a more electropositive metal is called :

Electrometallurgy

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Hydrometallurgy

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Electrorefining

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Zone-refining

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Solution

The correct option is B Hydrometallurgy
Hydrometallurgy involves the use of aqueous chemistry for the recovery of metals from ores, concentrates, and recycled or residual materials by dissolving the ore in a suitable chemical reagent followed by precipitation of the metal by a more electropositive metal.

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