The extraction of aluminium The diagram shows the electrolysis of alumina (aluminium oxide) purified from bauxite. graphte anodes graphbe Ining (cahode) de apply sold crust krming on mixture aluminium onide dssoked hayolte motten aluminium 3 a What is the formula for aluminium oxide? b What ions are present in aluminium oxide? c What is the purpose of the cryolite in the process? ........

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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The extraction of aluminium
The diagram shows the electrolysis of alumina (aluminium oxide) purified from bauxite.
graphte
anodes
graphbe Ining
(cahode)
de apply
sold crust
krming on
mixture
aluminium
onide
dssoked
hayolte
motten
aluminium
3 a What is the formula for aluminium oxide?
b What ions are present in aluminium oxide?
c What is the purpose of the cryolite in the process?
........
Transcribed Image Text:The extraction of aluminium The diagram shows the electrolysis of alumina (aluminium oxide) purified from bauxite. graphte anodes graphbe Ining (cahode) de apply sold crust krming on mixture aluminium onide dssoked hayolte motten aluminium 3 a What is the formula for aluminium oxide? b What ions are present in aluminium oxide? c What is the purpose of the cryolite in the process? ........
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