Question

Define :
amphoteric oxides and give two examples .
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Answer 1

Answer:

Amphoteric oxides are those which react with both acids as well as bases.

Explanation:

Eg- 1. Al2O3:. it reacts with both HCL and NaOH. with HCl it forms ammonium chloride and with sodium hydroxide it forms sodium meta aluminate.

2. Ga2O3- similar

Answer 2

Answer:

An amphoteric compound is a molecule or ion that can react both as an acid and as a base.

Explanation:

Many metals (such as copper, zinc, tin, lead, aluminium and beryllium) form amphoteric oxides or hydroxides.Amphoterism depends on the oxidation states of the oxide.

Ex: Aluminium oxides and zinc oxides are the example of amphoteric oxides.

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