1.

Bauxite 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

Answer»

`NAAL(OH)_4` only
`Na_(2)Ti(OH)_6` only
`NaAl(OH)_4 and Na_(2)SiO_3` both
`Na_(2)SiO_3` only .

SOLUTION :N//A


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