Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumWhich of the following alloys is used for ultra-high speed flight?
- ACupra-nickel
- BBronze
- CTitanium alloy
- DNichrome
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Similar Questions
Steel is manufactured from
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 |
Enlist the various steps involved in the extraction of metals.
Medium
View SolutionMatch items of Column-$I$ with the items of Column-$II$ and assign the correct code :
Column $I$ Column $II$ $A$. Cyanide process $i$. Ultrapure $Ge$ $B$. Froth floatation $ii$. Dressing of $ZnS$ $C$. Electrolytic reduction $iii$. Extraction of $Al$ $D$. Zone refining $iv$. Extraction of $Au$ $v$. Purification of $Ni$
| Column $I$ | Column $II$ |
| $A$. Cyanide process | $i$. Ultrapure $Ge$ |
| $B$. Froth floatation | $ii$. Dressing of $ZnS$ |
| $C$. Electrolytic reduction | $iii$. Extraction of $Al$ |
| $D$. Zone refining | $iv$. Extraction of $Au$ |
| $v$. Purification of $Ni$ |
MediumNEET 2016
View SolutionWhich of the following pairs is incorrectly matched?
Easy
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