Easy
If the impurity in a metal has a greater affinity for oxygen and is more easily oxidised than the metal,then the purification of metal may be carried out by
- ACupellation
- BElectrorefining
- CZone refining
- DPoling
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Similar Questions
Which process of purification is represented by the following equation?
$Ti_{\text{(Impure)}} + 2I_2$ $\xrightarrow{250^{\circ}C} TiI_4$ $\xrightarrow{1400^{\circ}C} Ti_{\text{(Pure)}} + 2I_2$
$Ti_{\text{(Impure)}} + 2I_2$ $\xrightarrow{250^{\circ}C} TiI_4$ $\xrightarrow{1400^{\circ}C} Ti_{\text{(Pure)}} + 2I_2$
Easy
View SolutionMercury is purified by:
Easy
View SolutionIn order to refine "blister copper",it is melted in a furnace and stirred with green logs of wood. The purpose is:
Difficult
View SolutionWhen an alloy of silver and lead is rich in silver,which process is used for purification?
Easy
View SolutionWhich of the following methods is useful for producing semiconductor grade metals of high purity?
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