Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
EasyWhich of the following elements constitutes a major impurity in pig iron?
- ASilicon
- BOxygen
- CSulphur
- DGraphite
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Similar Questions
Column-$I$ Column-$II$ $A$. Metal which occurs in the native state in nature is $P$. $Hg$ $B$. The oxide of metal that can be commercially reduced by Aluminothermic reduction process is $Q$. $Ti$ $C$. van Arkel method is used for preparing ultrapure metal of $R$. $Cr$ $D$. Auto reduction process is employed for the sulphide ore of $S$. $Ag$
| Column-$I$ | Column-$II$ |
| $A$. Metal which occurs in the native state in nature is | $P$. $Hg$ |
| $B$. The oxide of metal that can be commercially reduced by Aluminothermic reduction process is | $Q$. $Ti$ |
| $C$. van Arkel method is used for preparing ultrapure metal of | $R$. $Cr$ |
| $D$. Auto reduction process is employed for the sulphide ore of | $S$. $Ag$ |
Medium
View SolutionMatch the following processes in List-$I$ with their respective applications in List-$II$:
List-$I$ List-$II$ $A$. Van Arkel method $P$. Purification of titanium $B$. Solvay process $Q$. Manufacture of $Na_2CO_3$ $C$. Bassemerisation $S$. Reduction of copper $D$. Hall-Herault process $R$. Reduction of aluminium
| List-$I$ | List-$II$ |
| $A$. Van Arkel method | $P$. Purification of titanium |
| $B$. Solvay process | $Q$. Manufacture of $Na_2CO_3$ |
| $C$. Bassemerisation | $S$. Reduction of copper |
| $D$. Hall-Herault process | $R$. Reduction of aluminium |
Medium
View SolutionConsider the following statements:
$(i)$ Froth flotation technique is used to concentrate sulphide ore.
$(ii)$ Froth flotation technique is based upon differential wettability of ore and impurity in water.
$(iii)$ Red Bauxite is concentrated by Bayer's process.
$(iv)$ Carbon is used as a reducing agent during the extraction of zinc from zinc blende.
Which of the following statements are correct?
$(i)$ Froth flotation technique is used to concentrate sulphide ore.
$(ii)$ Froth flotation technique is based upon differential wettability of ore and impurity in water.
$(iii)$ Red Bauxite is concentrated by Bayer's process.
$(iv)$ Carbon is used as a reducing agent during the extraction of zinc from zinc blende.
Which of the following statements are correct?
Medium
View SolutionRead 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 SolutionSelect the correct option regarding the processes used during metal extraction from their ores.
Easy
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