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JEE Main Chemistry question

ChemistryGeneral Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

How many of the following are involved in the extraction of copper from ?

Roasting, smelting, electrolytic refining, leaching, froth floatation, calcination, Hall's process, Mond's process

Answer: 4

Solution

Froth flotation (concentration), roasting (sulphide to oxide/partial oxidation), smelting (matte formation) and electrolytic refining (final purification) are all genuine steps in extracting copper from

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Question ID VK-145603