McqMate
| Q. |
Ultra purification of a metal is done by |
| A. | slugging |
| B. | zone melting |
| C. | smelting |
| D. | leaching |
| Answer» B. zone melting | |
|
Explanation: When metals are required in a ultra pure state, the zone refining method is used. The principleemployed states that the impurities, which lower the melting point of a metal remain preferentially dissolved in the liquid phase and purer metal will emerge in the solid phase. |
|
View all MCQs in
ChemistryNo comments yet