Easy
$Pb$ and $Sn$ are extracted from their ores by which of the following methods?
- AReduction by $C$ and self-reduction
- BSelf-reduction and reduction by $C$
- CElectrolysis and self-reduction
- DSelf-reduction and electrolysis
Explore More
Similar Questions
During the extraction of sodium metal by electrolysis,a mixture of $40\% \ NaCl$ and $60\% \ CaCl_2$ is used because...
Medium
View SolutionWhat is blister copper?
Easy
View Solution$I$. $FeCr_2O_4 + NaOH + \text{air} \rightarrow Na_2CrO_4 + Fe_2O_3$
$II$. $Na_2CrO_4 + H_2SO_4 \rightarrow Na_2Cr_2O_7$
$Na_2CrO_4$ and $Fe_2O_3$ are separated by:
$II$. $Na_2CrO_4 + H_2SO_4 \rightarrow Na_2Cr_2O_7$
$Na_2CrO_4$ and $Fe_2O_3$ are separated by:
Medium
View SolutionIn the blast furnace,the reduction of iron oxide is carried out by which of the following?
Medium
View SolutionIn the alumino-thermite process,what does $Al$ act as?
Medium
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