Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
DifficultIdentify the metal which is not common to German silver and brass.
- A$Cu$
- B$Zn$
- C$Fe$
- D$Ni$
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Similar Questions
Steel contains
Easy
View SolutionMatch the conversions in Column-$I$ with the type$(s)$ of reaction$(s)$ given in Column-$II$.
Column-$I$ Column-$II$ $A$. $PbS \rightarrow PbO$ $p$. roasting $B$. $CaCO_3 \rightarrow CaO$ $q$. calcination $C$. $ZnS \rightarrow Zn$ $r$. Carbon reduction $D$. $Cu_2S \rightarrow Cu$ $s$. self reduction
| Column-$I$ | Column-$II$ |
| $A$. $PbS \rightarrow PbO$ | $p$. roasting |
| $B$. $CaCO_3 \rightarrow CaO$ | $q$. calcination |
| $C$. $ZnS \rightarrow Zn$ | $r$. Carbon reduction |
| $D$. $Cu_2S \rightarrow Cu$ | $s$. self reduction |
The major components of German Silver are:
Match List-$I$ with List-$II$ and select the correct answer using the codes given below the lists :
List-$I$ List-$II$ $(a)$ van Arkel method $1$. Manufacture of caustic soda $(b)$ Solvay process $2$. Purification of titanium $(c)$ Cupellation $3$. Manufacture of $Na_2CO_3$ $(d)$ Poling $4$. Purification of copper $ $ $5$. Refining of silver
Codes :
| List-$I$ | List-$II$ |
| $(a)$ van Arkel method | $1$. Manufacture of caustic soda |
| $(b)$ Solvay process | $2$. Purification of titanium |
| $(c)$ Cupellation | $3$. Manufacture of $Na_2CO_3$ |
| $(d)$ Poling | $4$. Purification of copper |
| $ $ | $5$. Refining of silver |
Codes :
Medium
View SolutionThe 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
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