Easy
Which of the following statements is incorrect?
- A$H_2$ is used in the reduction of $NiO$.
- BVan Arkel method is used for Zirconium.
- CFroth flotation method is used for the concentration of Galena.
- D$SiO_2$ is used as a flux in the extraction of iron.
Explore More
Similar Questions
Which substance is used as a flux to remove acidic impurities in metallurgy?
Easy
View SolutionConsider the following reactions:
$2 \, XS + 3 \, O_2 \xrightarrow{\Delta} 2 \, XO + 2 \, SO_2$
$2 \, XO + XS \xrightarrow{\Delta} 3 \, X + SO_2$
Then $X$ can not be
$2 \, XS + 3 \, O_2 \xrightarrow{\Delta} 2 \, XO + 2 \, SO_2$
$2 \, XO + XS \xrightarrow{\Delta} 3 \, X + SO_2$
Then $X$ can not be
Easy
View SolutionThe blast furnace is primarily used for........
Easy
View SolutionThe Ellingham diagram represents:
Medium
View SolutionUpon heating with $Cu_2S$,the reagent$(s)$ that give copper metal is/are:
$(A)$ $CuFeS_2$
$(B)$ $CuO$
$(C)$ $Cu_2O$
$(D)$ $CuSO_4$
$(A)$ $CuFeS_2$
$(B)$ $CuO$
$(C)$ $Cu_2O$
$(D)$ $CuSO_4$
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