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Identify the process to which the follow...

Identify the process to which the following reaction belongs
`AI_(2) O_(3).2H_(2)O +Na_(2)CO_(3) rarr 2NaAIO_(2) +2H_(2)O +CO_(2)`
`2NaAIO_(2) +2H_(2)O +CO_(2) overset(50-60^(@)C)rarr AI_(2)O_(3).2H_(2)O +Na_(2)CO_(3)`

A

Hall's process

B

Baeyer's process

C

Serpeck's process

D

None of these

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The correct Answer is:
A
It is leaching of bauxite using Hall's process.
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