Jee AdvancedIsolation Of ElementsJEE Advanced 2023 Paper 1 OnlineMCQM+4 / -22023ENHIThe correct statement(s) related to processes involved in the extraction of metals is(are) :ARoasting of Malachite produces Cuprite.BCalcination of Calamine produces Zincite.CCopper pyrites is heated with silica in a reverberatory furnace to remove iron.D Impure silver is treated with aqueous $\mathrm{KCN}$ in the presence of oxygen followed by reduction with zinc metal.Check AnswerClear SelectionReveal AnswerShow Explanation