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Why is Al(2)O(3) amphoteric oxide?...

Why is `Al_(2)O_(3)` amphoteric oxide?

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Which of the following statements is//are correct? I. B_(2)O_(3) is an acidic oxide II. Ga_(2)O_(3) and Al_(2)O_(3) are amphoteric oxides. III. In_(2)O_(3) and tl_(2)O_(3) are basic oxides.

Why Al_(2)O_(3) is amphoteric while B_(2)O_(3) is acidic ?

Gallium oxide (Ga_(2)O_(3)) is an amphoteric oxide.

Al_2O_3 is an amphoteric oxide. With the help of chemical equations, explain why is it called an amphoteric oxide?

Al_(2)O_(3) reacts with

Statement-1: Al forms H_(2) when reacts with NaOH. Statement-2: Al_(2)O_(3) is amphoteric by nature. Statement-3: Al_(2)O_(3) is a neutral oxide.

Which of the following sets mismatched regarding the nature of oxides? (A) Neutral oxides - \(CO_{2},NO\) (B) Amphoteric oxides - BeO,\(Al_{2}O_{3}\) (C) Acidic oxides - \(Cl_{2}O_{7},NO_{2}\) (D) Basic oxides - \(Na_{2}O,BaO\)