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Bauxide ore is made up of Al(2)O(3) + Si...

Bauxide 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

`NaAl(OH)_(4)` and `Na_(2)SiO_(3)`

C

`Na_(2)Ti(OH)_(6)` only

D

`Na_(2)SiO_(3)` only

Text Solution

Verified by Experts

The correct Answer is:
B
`SiO_(2)+2NaOHrarrNa_(2)SiO_(3)+H_(2)O`
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