Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumConsider the following statements:
$(a)$ When the lead-silver alloy is rich in silver,lead is removed by the cupellation process.
$(b)$ Froth flotation can be applied for non-sulphide ores also using a suitable activator.
$(c)$ $PbSO_4 + H_2SO_4$ electrolyte is used for the refining of $Pb$ by electrolysis.
$(d)$ Any metal will not reduce the oxide of other metals which lie above it in the Ellingham diagram.
Using $'T'$ for true and $'F'$ for false statements in the given sequence,select the correct set of code.
$(a)$ When the lead-silver alloy is rich in silver,lead is removed by the cupellation process.
$(b)$ Froth flotation can be applied for non-sulphide ores also using a suitable activator.
$(c)$ $PbSO_4 + H_2SO_4$ electrolyte is used for the refining of $Pb$ by electrolysis.
$(d)$ Any metal will not reduce the oxide of other metals which lie above it in the Ellingham diagram.
Using $'T'$ for true and $'F'$ for false statements in the given sequence,select the correct set of code.
- A$T, T, F, T$
- B$T, T, F, F$
- C$F, T, F, T$
- D$T, T, T, F$
Explore More
Similar Questions
Which alloy contains $Cu$,$Sn$ and $Zn$?
Easy
View SolutionIdentify the correct statements from the following:
$(i)$ In the extraction of $Ag$ and $Au$,zinc is used as a reducing agent.
$(ii)$ Impure zinc can be refined by distillation method.
$(iii)$ Malachite is an ore of nickel.
$(i)$ In the extraction of $Ag$ and $Au$,zinc is used as a reducing agent.
$(ii)$ Impure zinc can be refined by distillation method.
$(iii)$ Malachite is an ore of nickel.
The correct option$(s)$ related to the extraction of iron from its ore in the blast furnace operating in the temperature range $900-1500 \ K$ is(are):
$(A)$ Limestone is used to remove silicate impurity.
$(B)$ Pig iron obtained from blast furnace contains about $4 \%$ carbon.
$(C)$ Coke $(C)$ converts $CO_2$ to $CO$.
$(D)$ Exhaust gases consist of $NO_2$ and $CO$.
$(A)$ Limestone is used to remove silicate impurity.
$(B)$ Pig iron obtained from blast furnace contains about $4 \%$ carbon.
$(C)$ Coke $(C)$ converts $CO_2$ to $CO$.
$(D)$ Exhaust gases consist of $NO_2$ and $CO$.
Match List-$I$ with List-$II$ and select the correct answer using the codes given below the list.
List-$I$ List-$II$ $1. Ti$ $A. \text{Bauxite}$ $2. Si$ $B. \text{Cerussite}$ $3. Al$ $C. \text{Van-Arkel method}$ $4. Pb$ $D. \text{Zone refining}$
| List-$I$ | List-$II$ |
|---|---|
| $1. Ti$ | $A. \text{Bauxite}$ |
| $2. Si$ | $B. \text{Cerussite}$ |
| $3. Al$ | $C. \text{Van-Arkel method}$ |
| $4. Pb$ | $D. \text{Zone refining}$ |
MediumAIIMS 2015
View SolutionMatch the items of List-$I$ with those of List-$II$ and choose the correct option given below.
List-$I$ List-$II$ $A$. Calcination $1$. Galena $B$. Roasting $2$. Magnetite $C$. Magnetic separation $3$. Pyrometallurgy $D$. Carbon reduction of metal oxide $4$. Malachite
| List-$I$ | List-$II$ |
| $A$. Calcination | $1$. Galena |
| $B$. Roasting | $2$. Magnetite |
| $C$. Magnetic separation | $3$. Pyrometallurgy |
| $D$. Carbon reduction of metal oxide | $4$. Malachite |
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