1.

Al_(2)O_(3) to AlN to A(OH)_(3) toAl_(2)O_(3). The sequence of these products involved in

Answer»

Bayer's PROCESS
Serpecks process
Hall's process
Hope's process

Solution :The Serpeck.s process is `Al_(2)O_(3)+3C+N_(2) overset(180^(@)C) to 2AIN+3CO`
`SiO_(2)+2C to Si+ 2CO`
`AIN+3H_(2)O to Al(OH)_(3)+NH_(3)`
`2Al (OH)_(3) overset(DELTA)to Al_(2)O_(3)+3H_(2)O`


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