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(B) $I$. $Hg$ (Mercury) is refined by distillation because it has a low boiling point.$II$. $Cu$ (Copper) is refined by poling (removing $Cu_2O$ impur

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$I, II$ & $III$ only

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(B) $I$. $Hg$ (Mercury) is refined by distillation because it has a low boiling point.$II$. $Cu$ (Copper) is refined by poling (removing $Cu_2O$ impurities).$III$. $B$ (Boron) is refined by zone refining,which is used for semiconductors and high-purity metals.$IV$. $Ti$ (Titanium) is refined by the van Arkel method,not liquation. Liquation is used for metals with low melting points like $Sn$ (Tin).Therefore,$I, II$ and $III$ are correctly matched.

Which of the following sets are correctly matched?

Metal Refining Process

$I$. $Hg$ (Mercury) Distillation

$II$. $Cu$ (Copper) Poling

$III$. $B$ (Boron) Zone refining

$IV$. $Ti$ (Titanium) Liquation

Similar Questions

Mark the variety of iron which has the highest melting point.

Explain:
$(i)$ Zone refining
$(ii)$ Column chromatography.

In vapour phase refining,metal $A$ is purified by Van Arkel method and metal $B$ is purified by Mond's process. $A$ and $B$ are respectively:

$A$ low boiling point metal contains a high boiling point metal as an impurity. The correct refining method is:

Explain the $Mond$ process for the refining of $Nickel$.

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Metal	Refining Process
$I$. $Hg$ (Mercury)	Distillation
$II$. $Cu$ (Copper)	Poling
$III$. $B$ (Boron)	Zone refining
$IV$. $Ti$ (Titanium)	Liquation

Which of the following sets are correctly matched? Metal Refining Process $I$. $Hg$ (Mercury) Distillation $II$. $Cu$ (Copper) Poling $III$. $B$ (Boron) Zone refining $IV$. $Ti$ (Titanium) Liquation