Question

State reason for the following =
(1) Aluminium oxides is called an amphoteric oxide.
(2) Sodium and potassium metals are kept immersed under kerosene oil
(3) hydrogen gas is not evolved when most metals react with nitric acid

Answer 1

1.. It is called Amphoteric oxide because it shows both property of acids and base.
2.. Because they are very reactive in nature.
3.. Because it is a strong oxidizing agent ..
please mark as brainliest if you like so