Some metal oxides react with acid as well as base to produce salt and water. They are known as amphoteric oxides. The examples of amphoteric oxides are

The reaction between an acid and a base to give a salt and water is known as a ______________ reaction.

Sodium hydroxide and hydrochloric acid react to form sodium chloride and water. Which reaction is this?

Acids react with metal carbonates to liberate _____ gas.

What is the pH value of a salt made up of a strong acid and a weak base?

An unknown gas quickly dissolves in water. This gaseous aqueous solution turns red litmus into the blue. This gas produces white flame with hydrogen chloride. This unknown gas is –