Isolation of Elements

Section: Chemistry

Question : 1 of 22

Marks: +1, -0

The correct statement(s) related to processes involved in the extraction of metals is(are)

[JEE Adv 2023 P1]

Roasting of Malachite produces Cuprite
Calcination of Calamine produces Zincite
Copper pyrites is heated with silica in a reverberatory furnace to remove iron
Impure silver is treated with aqueous KCN in the presence of oxygen followed by reduction with zinc metal

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