Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
EasyGun metal is an alloy of
- A$Cu$ and $Al$
- B$Cu, Sn$ and $Zn$
- C$Cu, Zn$ and $Ni$
- D$Cu$ and $Sn$
Explore More
Similar Questions
Match the following:
List-$I$ List-$II$ $A. Al_2O_3 + 2NaOH + 3H_2O \rightarrow 2Na[Al(OH)_4]$ $I. \text{Roasting}$ $B. Ni(CO)_4 \xrightarrow{230^{\circ}C} Ni + 4CO$ $II. \text{Calcination}$ $C. Fe_2O_3 \cdot 3H_2O \xrightarrow{\Delta} Fe_2O_3 + 3H_2O$ $III. \text{Vapour phase refining}$ $D. 2PbS + 3O_2 \rightarrow 2PbO + 2SO_2$ $IV. \text{Electrolysis}$ $V. \text{Leaching}$
The correct answer is:
| List-$I$ | List-$II$ |
| $A. Al_2O_3 + 2NaOH + 3H_2O \rightarrow 2Na[Al(OH)_4]$ | $I. \text{Roasting}$ |
| $B. Ni(CO)_4 \xrightarrow{230^{\circ}C} Ni + 4CO$ | $II. \text{Calcination}$ |
| $C. Fe_2O_3 \cdot 3H_2O \xrightarrow{\Delta} Fe_2O_3 + 3H_2O$ | $III. \text{Vapour phase refining}$ |
| $D. 2PbS + 3O_2 \rightarrow 2PbO + 2SO_2$ | $IV. \text{Electrolysis}$ |
| $V. \text{Leaching}$ |
The correct answer is:
Ellingham diagrams can be drawn for which of the following?
Medium
View SolutionMatch List $I$ with List $II$.
List $I$ List $II$ $A$. Reverberatory furnace $I$. Pig Iron $B$. Electrolytic cell $II$. Aluminum $C$. Blast furnace $III$. Silicon $D$. Zone Refining furnace $IV$. Copper
| List $I$ | List $II$ |
|---|---|
| $A$. Reverberatory furnace | $I$. Pig Iron |
| $B$. Electrolytic cell | $II$. Aluminum |
| $C$. Blast furnace | $III$. Silicon |
| $D$. Zone Refining furnace | $IV$. Copper |
Which one of the following statements is incorrect?
Easy
View SolutionOne of the constituents of German silver is:
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