Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
EasyWhich of the following is a ferrous alloy?
- AInvar
- BSolder
- CMagnalium
- DType metal
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Similar Questions
What is the appropriate process for the extraction of lead from low-grade ore (impurity level is high)?
Easy
View SolutionWhich of the following alloys is used for ultra-high speed flight?
Stainless steel is an alloy of iron with:
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 |
What is the approximate ratio of roasted ore,coke and limestone respectively in the charge to be added into the blast furnace for the extraction of iron?
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