Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumThe statement that is $INCORRECT$ about Ellingham diagram is :
- AProvides idea about the reaction rate.
- BProvides idea about free energy change.
- CProvides idea about reduction of metal oxide.
- DProvides idea about changes in the phase during the reaction.
Explore More
Similar Questions
The process of the extraction of copper from copper pyrites involves:-
$(I)$ Froth floatation $(II)$ Calcination $(III)$ Roasting $(IV)$ Self reduction $(V)$ Smelting $(VI)$ Liquation $(VII)$ Electrorefining
$(I)$ Froth floatation $(II)$ Calcination $(III)$ Roasting $(IV)$ Self reduction $(V)$ Smelting $(VI)$ Liquation $(VII)$ Electrorefining
Medium
View SolutionHow is cement clinker obtained?
Easy
View Solution$A$ piece of steel is heated until redness and then plunged into cold water or oil. This treatment of iron makes it:
Medium
View SolutionMatch the items under List-$I$ with the compounds/elements from the List-$II$. Select the correct answer from the sets $(a), (b), (c)$ and $(d)$.
List-$I$ List-$II$ $(i)$ Explosive $(A)$ $NaN_3$ $(ii)$ Artificial gem $(B)$ $Fe_3O_4$ $(iii)$ Self reduction $(C)$ $Sn$ $(iv)$ Magnetic material $(D)$ $Al_2O_3$ $(E)$ $Pb(N_3)_2$ $(F)$ $Fe_2O_3$ $(G)$ $Cu$ $(H)$ $SiC$
| List-$I$ | List-$II$ |
|---|---|
| $(i)$ Explosive | $(A)$ $NaN_3$ |
| $(ii)$ Artificial gem | $(B)$ $Fe_3O_4$ |
| $(iii)$ Self reduction | $(C)$ $Sn$ |
| $(iv)$ Magnetic material | $(D)$ $Al_2O_3$ |
| $(E)$ $Pb(N_3)_2$ | |
| $(F)$ $Fe_2O_3$ | |
| $(G)$ $Cu$ | |
| $(H)$ $SiC$ |
Medium
View SolutionIn the reaction $4FeCr_2O_4 + 8Na_2CO_3 + 7O_2 \rightarrow X + Y + 8CO_2$,identify $X$ and $Y$.
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