Question

Alumina is . ..... .... . in nature. (a) Acidic (b) Basic (c) Amphoteric (d) Neutral

Answer 1

The answer is amphoteric......Only some oxides have this property....and alumina is one of them

Answer 2

$alumina \: is \: \: amphoteric \: in \: nature$

$as \: it \: is \: aluminium \: oxide$