Bauxite ore is made up of `Al_(2)O_3` + `SiO_2` + `TiO_2` + `Fe_(2)O_3` . This ore is treated with conc. NaOH solution at 500 K

Bauxite ore is made up of `Al_(2)O_3` + `SiO_2` + `TiO_2` + `Fe_(2)O_3` . This ore is treated with conc. NaOH solution at 500 K and 35 bar pressure for a few hours and filtered hot. In the filtrate the species present are :
A. `NaAl(OH)_4` only
B. `Na_(2)Ti(OH)_6` only
C. `NaAl(OH)_4 and Na_(2)SiO_3` both
D. `Na_(2)SiO_3` only .

Bauxite ore is made up of `Al_(2)O_3` + `SiO_2` + `TiO_2` + `Fe_(2)O_3` . This ore is treated with conc. NaOH solution at 500 K and 35 bar pressure fo

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