6.30 Outline the principles of refining of metals by the following methods: (i) Zone refining (ii) Electrolytic refining (iii) Vapour phase refining
6.30 Outline the principles of refining of metals by the following methods: (i) Zone refining (ii) Electrolytic refining (iii) Vapour phase refining
(i) Zone refining Is the method based on the principle that the impurities are more soluble in the melt than in the solid state of the metal.
(ii) Electrolytic refining works on the principle of refining impure metals by the use of electricity. In Electrolytic refining, the impure metal is made the
Upvote 
Similar Questions for you
Na+ C + N + S ®NaSCN
Fe3+ + SCN–
In the metallurgy of aluminium, purified Al2O3 is mixed with Na3AIF6 or CaF2 which lowers the melting point of the mixture and brings conductivity.
Ellingham diagram explains the feasibility of reduction process not the kinetics of process.
Malachite : CuCO3.Cu (OH)2
Azurite : 2CuCO3.Cu (OH)2
Cuprite : Cu2O
Copper pyrite : Cu2S.Fe2S3.
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else.
On Shiksha, get access to
Learn more about...
Chemistry Ncert Solutions Class 12th 2023
View Exam DetailsMost viewed information
SummaryDidn't find the answer you were looking for?
Search from Shiksha's 1 lakh+ Topics
Ask Current Students, Alumni & our Experts
Have a question related to your career & education?
See what others like you are asking & answering