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 code.
List-$I$ List-$II$ $I.$ Cyanide process $a.$ Ultrapure $Ge$ $II.$ Froth 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 $Ge$ |
| $II.$ Froth 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
Which of the following alloys is used for ultra-high speed flight?
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 SolutionAmong the reactions $(a) - (d)$,the reaction$(s)$ that does/do not occur in the blast furnace during the extraction of iron is/are:
$(a)$ $CaO + SiO_2 \rightarrow CaSiO_3$
$(b)$ $3 Fe_2O_3 + CO \rightarrow 2 Fe_3O_4 + CO_2$
$(c)$ $FeO + SiO_2 \rightarrow FeSiO_3$
$(d)$ $FeO \rightarrow Fe + \frac{1}{2} O_2$
$(a)$ $CaO + SiO_2 \rightarrow CaSiO_3$
$(b)$ $3 Fe_2O_3 + CO \rightarrow 2 Fe_3O_4 + CO_2$
$(c)$ $FeO + SiO_2 \rightarrow FeSiO_3$
$(d)$ $FeO \rightarrow Fe + \frac{1}{2} O_2$
The chemical process of manufacturing of steel from its ore haematite involves
Medium
View SolutionThe correct statements are :
Medium
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