In the metallurgy of zinc, the zinc dust obtained from roasting and re – InterviewSolution

1.	In the metallurgy of zinc, the zinc dust obtained from roasting and reduction of zinc sulphide contains some ZnO. How is this removed
Answer» ABSORBANCE of ultraviolet LIGHT and re-emission of white light is employed Shock cooling by CONTACT with a shower of molten lead is done X-ray METHOD is used Smelting is empolyed Answer :D

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