Bauxineore ismade up ofAl_2 O_ 3 + SiO_2 + TiO_2 + Fe_2O_3.This ore is – InterviewSolution

1.	Bauxineore ismade up ofAl_2 O_ 3 + SiO_2 + TiO_2 + Fe_2O_3.This ore istreatedwith conc.NaOHsolutionat500 K and35 bar pressureforfew hours andfiteredhot.Inthefiltrate,the speciespresentare :
Answer» ` NAAL(OH) _4` only `Na_2 Ti(OH)_6`only ` NaAl(OH)_4 `and` Na_2SiO_3 `both ` Na_2 SiO_3 ` only SOLUTION :Both` Al_2O_ 3and SiO_ 2 `dissolvein NaOHas NaAl ` (OH)_4 and Na_ 2 SiO_ 3`respectively.

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