Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
EasySolder is an alloy of
- A$70\% \ Pb, 30\% \ Sn$
- B$33\% \ Pb, 67\% \ Sn$
- C$80\% \ Pb, 20\% \ Sn$
- D$90\% \ Cu, 10\% \ Sn$
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Similar Questions
In the electrolysis of $Al_2O_3$ by the Hall-Heroult process,which of the following statements is correct?
Medium
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 |
Railway wagon axles are made by heating iron rods embedded in charcoal powder. This process is known as:
Easy
View SolutionMatch List-$I$ with List-$II$.
List-$I$ List-$II$ $A$. Bronze $I$. $Cu, Ni$ $B$. Brass $II$. $Fe, Cr, Ni, C$ $C$. $UK$ silver coin $III$. $Cu, Zn$ $D$. Stainless Steel $IV$. $Cu, Sn$
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
| $A$. Bronze | $I$. $Cu, Ni$ |
| $B$. Brass | $II$. $Fe, Cr, Ni, C$ |
| $C$. $UK$ silver coin | $III$. $Cu, Zn$ |
| $D$. Stainless Steel | $IV$. $Cu, Sn$ |
The major components in "Gun Metal" are
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