(a) What role does cryolite play in Hall Harnoult process ? (b) How can alumina be separated from silica in bauxite ore associated with silica ? Give

Question

(a) What role does cryolite play in Hall Harnoult process ? (b) How can alumina be separated from silica in bauxite ore associated with silica ? Give

(a) What role does cryolite play in Hall Harnoult process ?
(b) How can alumina be separated from silica in bauxite ore associated with silica ? Give equation also.

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

(a) Cryolite `(Na_(3)AlF_(6))` lowers the melting point of `Al_(2)O_(3)` and also makes it conducting in nature.

5 views Answered 2023-02-05 15:29