Question No 28 Consider the process of zone refining Top

Last updated: 7/2/2023

Question No 28 Consider the process of zone refining Top side Metal rod Heater Bottom side Heater is sliding from top side to bottom side Identify the incorrect statement O The bottom side of the metal rod is rich in impurities O Metals like Si Ge and Ga of low purity are purified by this method This process is based upon fractional crystallization as the impurity prefers to stay in the melt O This method is based on the principle that the impurities are more soluble in the melt than in solid state of the metal