Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
MediumMatch List-$I$ with List-$II$ and select the correct answer using the codes given below the lists.
List-$I$ List-$II$ $I$. Cyanide process $A$. Ultrapure $Ge$ $II$. Floatation process $B$. Pine oil $III$. Electrolytic reduction $C$. Extraction of $Al$ $IV$. Zone refining $D$. Extraction of $Au$
| List-$I$ | List-$II$ |
|---|---|
| $I$. Cyanide process | $A$. Ultrapure $Ge$ |
| $II$. Floatation process | $B$. Pine oil |
| $III$. Electrolytic reduction | $C$. Extraction of $Al$ |
| $IV$. Zone refining | $D$. Extraction of $Au$ |
- A$I-C, II-A, III-D, IV-B$
- B$I-D, II-B, III-C, IV-A$
- C$I-C, II-B, III-D, IV-A$
- D$I-D, II-A, III-C, IV-B$
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Similar Questions
Given below are two statements:
Statement $I$: During electrolytic refining,the pure metal is made to act as anode and its impure metallic form is used as cathode.
Statement $II$: During the Hall-Heroult electrolysis process,purified $Al_2O_3$ is mixed with $Na_3AlF_6$ to lower the melting point of the mixture.
In the light of the above statements,choose the most appropriate answer from the options given below:
Statement $I$: During electrolytic refining,the pure metal is made to act as anode and its impure metallic form is used as cathode.
Statement $II$: During the Hall-Heroult electrolysis process,purified $Al_2O_3$ is mixed with $Na_3AlF_6$ to lower the melting point of the mixture.
In the light of the above statements,choose the most appropriate answer from the options given below:
Enlist the various steps involved in the extraction of metals.
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