Difficult
Which of the following processes involves smelting?
- A$ZnCO_3 \to ZnO + CO_2$
- B$Fe_2O_3 + 3C \to 2Fe + 3CO$
- C$2PbS + 3O_2 \to 2PbO + 2SO_2$
- D$Al_2O_3 \cdot 2H_2O \to Al_2O_3 + 2H_2O$
Explore More
Similar Questions
Name the metal $M$ which is extracted on the basis of following reactions:
$4M + 8CN^{-} + 2H_2O + O_2 \rightarrow 4[M(CN)_2]^{-} + 4OH^{-}$
$2[M(CN)_2]^{-} + Zn \rightarrow [Zn(CN)_4]^{2-} + 2M$
$4M + 8CN^{-} + 2H_2O + O_2 \rightarrow 4[M(CN)_2]^{-} + 4OH^{-}$
$2[M(CN)_2]^{-} + Zn \rightarrow [Zn(CN)_4]^{2-} + 2M$
Medium
View SolutionWhich one of the following is used to produce $Al$ by electrolysis?
In the Hall-Heroult process,which of the following is used for reducing $Al_2O_3$?
Which of the following is incorrect on the basis of the Ellingham diagram for carbon?
Medium
View SolutionDescribe the reaction occurring in the blast furnace at the lower temperature range.
Easy
View SolutionVedclass 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