Medium
Which one of the following statements is incorrect?
- ABoron and Indium can be purified by zone refining method.
- BVan-Arkel method is used to purify tungsten.
- CCast iron is obtained by melting pig iron with scrap iron and coke using hot air blast.
- DThe malleable iron is prepared from cast iron by oxidising impurities in a reverberatory furnace.
Explore More
Similar Questions
The electrolyte solution in the electrolytic refining of lead contains:
Medium
View SolutionChoose the correct option for vapor phase refining.
$A :$ The metal should form a volatile compound with an appropriate reagent.
$R :$ The volatile compound obtained should be easily decomposable.
$A :$ The metal should form a volatile compound with an appropriate reagent.
$R :$ The volatile compound obtained should be easily decomposable.
Easy
View SolutionWhich of the following metals is extracted using the cupellation process?
Medium
View SolutionThe purest zinc is made by
During the refining of copper,the methane gas produced acts as a reducing agent. What is its specific role?
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