Question

For each substance listed below , explain its significance on the extraction of aluminium:
i) Bauxite
ii) Sodium hydroxide
iii) Cryolite
iv) Graphite​

Answer 1

Answer:

bauxite is the ore from which Aluminium is extracted

sodium hydroxide is a chemical substance which is used to purify bauxite

cryolite is used to increase conductivity and lower the melting point of the electrolyte which consists of alumina

graphite is electrode used in the extraction of aluminium