Write reactions to justify amphoteric nature of aluminium .

Write chemical reactions, to show the amphoteric nature of water.

Which is not amphoteric

Write any four uses of aluminium.

Amphoteric oxide is

Write a test useful to identify acidic nature of acetylene.

Write the effect of substituents on the basic nature of aniline

Write the chemical reaction to justify that hydrogen peroxide can function as an oxidizing as well as reducing agent.

Observe the following reactions and predict the nature of A and B

Write a note on the acidic nature of acetic acid.