Metallurgy · JEE Main previous year questions

2018 1 question

1. Q862018 · 16 Apr 2018 · Shift 1

   In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with :

   1. A.$\mathrm{F}{\mathrm{e}}_2{\mathrm{O}}_3$
   2. B.$\mathrm{C}{\mathrm{u}}_2\mathrm{O}$
   3. C.$\mathrm{S}{\mathrm{O}}_2$
   4. D.$\mathrm{CO}$
   Show answer

   Answer: B