Write the Lewis structure of hydrogen peroxide.

Basic principle of hydrogen economy is transportation and storage of energy in the form of liquid or gaseous hydrogen. Which property of hydrogen may be useful for this purpose? Support your answer with the chemical equation if required.

What is the importance of heavy water?

An acidic solution of hydrogen peroxide behaves as an oxidising as well as reducing agent. Illustrate it with the help of a chemical equation.

With the help of suitable examples, explain the property of H2O2 that is responsible for its bleaching action?