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The processes used in the refining of aluminium and zinc metals respectively are
  • a)
    Hoopes’ process and fractional distillation
  • b)
    Hoopes’ process and cupellation
  • c)
    Poling and fractional distillation
  • d)
    cupellation and fractional distillation
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The processes used in the refining of aluminium and zinc metals respec...
Cupellation This method is applied when the impure metal contains impurities of other metals which form volatile oxides. Distillation process This method is employed for purification of volatile metals like zinc, mercury, cadmium etc. The impure metal is heated in an iron retort and the vapours are condensed in separate receivers.
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The processes used in the refining of aluminium and zinc metals respectively area)Hoopes’ process and fractional distillationb)Hoopes’ process and cupellationc)Poling and fractional distillationd)cupellation and fractional distillationCorrect answer is option 'A'. Can you explain this answer?
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