Medium
In the extraction of copper from its sulphide ore,metal is finally obtained by the oxidation of cuprous sulphide with
- A$SO_2$
- B$Fe_2O_3$
- C$Cu_2O$
- D$CO$
Explore More
Similar Questions
Which of the following metals is commercially reduced by the carbon reduction method and refined by the distillation method?
Easy
View SolutionWhich of the following reactions does not take place in the thermite process?
Easy
View SolutionThe order of stability of metal oxides is:
The slag formed during the extraction of $Fe$ is...........
Easy
View SolutionMatch column $(I)$ (process) with column $(II)$ (electrolyte)
$(I)$ (process) $(II)$ (electrolyte) $(i)$. Downs cell $(W)$. fused $MgCl_2$ $(ii)$. Dow sea water process $(X)$. fused $(Al_2O_3 + Na_3AlF_6)$ $(iii)$. Hall-Heroult $(Y)$. fused $KHF_2$ $(iv)$. Moissan $(Z)$. fused $(40\% NaCl + 60\% CaCl_2)$
Choose the correct alternate :
| $(I)$ (process) | $(II)$ (electrolyte) |
| $(i)$. Downs cell | $(W)$. fused $MgCl_2$ |
| $(ii)$. Dow sea water process | $(X)$. fused $(Al_2O_3 + Na_3AlF_6)$ |
| $(iii)$. Hall-Heroult | $(Y)$. fused $KHF_2$ |
| $(iv)$. Moissan | $(Z)$. fused $(40\% NaCl + 60\% CaCl_2)$ |
Choose the correct alternate :
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo