The compound can be compounded oxidized into

The compound that can work both as an oxidizing and reducing agent is :

The compound which can act as an oxidizing agent as well as reducing agent is

The compound rust is a hydrated oxide of

Which of the following is not a compound oxide?

A compound can be formed by the elements A,B and C having oxidation state +1,+2 and -3 respectively. Then which compound may be formed?

What are compound oxides? Give an example.