..........is added toAl_2O_3in Hall -Heroult process for extractionof – InterviewSolution

1.	..........is added toAl_2O_3in Hall -Heroult process for extractionof aluminiumto ..............the meltingpoint and to ...............the electrical conductivityof themelt.
Answer» ANSWER :CRYOLITE`Na_3AlF_ 6`,LOWER , INCREASE

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