1.

Bauxite No underset(N_2)overset(+C)(rarr)underset(CO)(AIN)overset(H_2O)(rarr)Al(OH)_(3) overset(Delta)(rarr)Al_2O_3 + NH_3 The flow sheet is for ........

Answer»

BAYER's PROCESS 
Serpeck's process 
Hall-Heroult process 
KROLL's process 

ANSWER :B


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