Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
EasyThomas slag is used in
- ARoad making and as a building material
- BAs a solvent
- CAs an activator
- DAs a catalyst in contact process
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Similar Questions
Stainless steel is an alloy of iron with:
Easy
View SolutionCopper matte is composed of . . . . . .
Read the following statements :
$(I)$ $Al$ has greater affinity than that of $Cr$ for oxygen
$(II)$ $Al$ can be used for reduction of $Fe_2O_3$
$(III)$ Carbon is used for reduction of $PbO$
$(IV)$ $SnO_2$ can be reduced by carbon
Choose the correct set of statement$(s)$:
$(I)$ $Al$ has greater affinity than that of $Cr$ for oxygen
$(II)$ $Al$ can be used for reduction of $Fe_2O_3$
$(III)$ Carbon is used for reduction of $PbO$
$(IV)$ $SnO_2$ can be reduced by carbon
Choose the correct set of statement$(s)$:
Medium
View Solution$A$ piece of steel is heated until redness and then plunged into cold water or oil. This treatment of iron makes it:
Medium
View SolutionBy annealing,steel
Easy
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