JEE Main 201910 Jan, Morning shiftChemistryMediumIsolation of Elements99× since 2002Hall- Heroult's process is given by :AOption A. Cu²⁺ (aq) + H₂(g) →\to→ Cu(s) + 2H⁺ (aq)BOption B. Cr₂O₃ + 2AI →\to→ Al₂O₃ + 2CrCOption C. 2Al₂O₃ + 3C →\to→ 4Al + 3CO₂DOption D. ZnO + C \buildrelCoke, 1673 K⟶\buildrel {Coke,\,1673\,K} \over \longrightarrow⟶\buildrelCoke,1673K Zn + COCheckSkip · show solution
