Answers

2016-02-29T11:09:10+05:30
Zone refining is based on the principle that impurity is more soluble in the melt than in solid state of a ore. It consists of a moving mobile heater as it is moved along the metal ore impurities get concentrated at one end of the ore, then the impure end is cut off. This method is used for making high gade semi conductors.
0