Embibe Experts Solutions for Chapter: General Principles and Processes of Isolation of Metals (Metallurgy), Exercise 1: JEE Advanced Paper 1 - 2021

Which among the following statement(s) is (are) true for the extraction of aluminium from bauxite?

The cyanide process of gold extraction involves leaching out gold from its ore with ${\mathrm{C}\mathrm{N}}^{-}$ in the presence of $\mathrm{Q}$ in water to form $\mathrm{R}$ . Subsequently, $\mathrm{R}$ is treated with $\mathrm{T}$ to obtain $\mathrm{A}\mathrm{u}$ and $\mathrm{Z}$ . Choose the correct option(s).

With reference to aqua regia, choose the correct option(s).

Extraction of copper from copper pyrite $\left(\mathrm{C}\mathrm{u}\mathrm{F}\mathrm{e}{\mathrm{S}}_2\right)$ involves

The correct statement $\left(\mathrm{s}\right)$ related to the metal extraction processes is(are)

Calamine, malachite, magnetite and cryolite, respectively are:

Copper is purified by electrolytic refining of blister copper. The correct statement(s) about this process is (are)

Upon heating with $\mathrm{C}{\mathrm{u}}_2\mathrm{S}$, the reagent(s) that give copper metal is/are