Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
DifficultMatch List-$I$ with List-$II$ (Both having metallurgical terms):
List-$I$ List-$II$ $A$. Concentration of $Ag$ ore $I$. Reverberatory furnace $B$. Blast furnace $II$. Pig iron $C$. Blister copper $III$. Leaching with dilute $NaCN$ solution $D$. Froth floatation method $IV$. Sulfide ores
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
|---|---|
| $A$. Concentration of $Ag$ ore | $I$. Reverberatory furnace |
| $B$. Blast furnace | $II$. Pig iron |
| $C$. Blister copper | $III$. Leaching with dilute $NaCN$ solution |
| $D$. Froth floatation method | $IV$. Sulfide ores |
Choose the correct answer from the options given below:
- A$A-IV, B-III, C-II, D-I$
- B$A-IV, B-I, C-III, D-II$
- C$A-III, B-II, C-I, D-IV$
- D$A-III, B-IV, C-I, D-II$
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Similar Questions
Given below are two statements.
Statement $I$: Pig iron is obtained by heating cast iron with scrap iron.
Statement $II$: Pig iron has a relatively lower carbon content than that of cast iron.
In the light of the above statements,choose the correct answer from the options given below.
Statement $I$: Pig iron is obtained by heating cast iron with scrap iron.
Statement $II$: Pig iron has a relatively lower carbon content than that of cast iron.
In the light of the above statements,choose the correct answer from the options given below.
The statement that is $NOT$ correct is:
The advantage$(s)$ of using $O_2$ rather than air in the steel industry is(are):
$(I)$ There is a faster conversion,so a given plant can produce more steel in a day.
$(II)$ Larger quantities can be handled.
$(III)$ It gives a purer product,and the surface is free from nitrides.
$(I)$ There is a faster conversion,so a given plant can produce more steel in a day.
$(II)$ Larger quantities can be handled.
$(III)$ It gives a purer product,and the surface is free from nitrides.
Medium
View SolutionThe reaction that does $NOT$ take place in a blast furnace between $900 \ K$ to $1500 \ K$ temperature range during the extraction of iron is:
MediumNEET 2023
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
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