(B) Zone refining is a technique used to produce metals of very high purity. It is based on the principle that the impurities are more soluble in the

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(B) Zone refining is a technique used to produce metals of very high purity. It is based on the principle that the impurities are more soluble in the melt than in the solid state of the metal. This method is particularly effective for obtaining ultra-pure samples of metals like $Zn$,$Ge$,$Si$,$B$,$Ga$,and $In$.

Class 12 Chemistry General Principles and Processes of Isolation of Elements Refining of crude Metal

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The purest zinc is made by

MHT CET 2008 All MHT CET

A
electrolytic refining
B
zone refining
C
the van Arkel method
D
the Mond process

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Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Refining of crude Metal

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Silver obtained from argentiferous lead containing lead impurity is purified by

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Copper sulphate is prepared by blowing a current of air through copper scrap and dilute $H_2SO_4$. Dilute $HNO_3$ is also added:

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In order to refine "blister copper",it is melted in a furnace and stirred with green logs of wood. The purpose is:

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Match List-$I$ with List-$II$ and select the correct answer using the codes given below:

List-$I$ List-$II$

$(I)$ Van Arkel method $a.$ Refining of Titanium

$(II)$ Solvay process $b.$ Manufacture of $Na_2CO_3$

$(III)$ Cupellation $c.$ Refining of Copper

$(IV)$ Poling $d.$ Refining of Silver

List-$I$	List-$II$
$(I)$ Van Arkel method	$a.$ Refining of Titanium
$(II)$ Solvay process	$b.$ Manufacture of $Na_2CO_3$
$(III)$ Cupellation	$c.$ Refining of Copper
$(IV)$ Poling	$d.$ Refining of Silver

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Which one of the following is most likely a mismatch?

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The purest zinc is made by

Similar Questions

Silver obtained from argentiferous lead containing lead impurity is purified by

Copper sulphate is prepared by blowing a current of air through copper scrap and dilute $H_2SO_4$. Dilute $HNO_3$ is also added:

In order to refine "blister copper",it is melted in a furnace and stirred with green logs of wood. The purpose is:

Match List-$I$ with List-$II$ and select the correct answer using the codes given below: List-$I$ List-$II$ $(I)$ Van Arkel method $a.$ Refining of Titanium $(II)$ Solvay process $b.$ Manufacture of $Na_2CO_3$ $(III)$ Cupellation $c.$ Refining of Copper $(IV)$ Poling $d.$ Refining of Silver

Which one of the following is most likely a mismatch?

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Exam Paper Generator

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Match List-$I$ with List-$II$ and select the correct answer using the codes given below:

List-$I$ List-$II$

$(I)$ Van Arkel method $a.$ Refining of Titanium

$(II)$ Solvay process $b.$ Manufacture of $Na_2CO_3$

$(III)$ Cupellation $c.$ Refining of Copper

$(IV)$ Poling $d.$ Refining of Silver