Medium
During the extraction of sodium metal by electrolysis,a mixture of $40\% \ NaCl$ and $60\% \ CaCl_2$ is used because...
- AIt helps in conducting electricity.
- BThe melting point of this mixture is lower than the melting point of $NaCl$.
- C$Ca^{2+}$ ions displace $Na^+$ ions.
- D$Ca^{2+}$ ions reduce to $Na$.
Explore More
Similar Questions
Which of the following metals can be obtained by using $Al$ as a reducing agent?
Easy
View SolutionWhy is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction?
Medium
View SolutionIn the processing of steel,which of the following allotropes of carbon is used?
MediumAIIMS 2019
View SolutionThe role of fluorspar $(CaF_2)$, which is added in small quantities in the electrolytic reduction of alumina $(Al_2O_3)$ dissolved in fused cryolite $(Na_3AlF_6)$, is:
In the electrolysis of aluminium oxide,which of the following is added to accelerate the process?
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