Are you really not going to use this unused laptop?

He is the most competent employee of our company.

Who is the user of this software?

This bottle is reusable.

Peroxidation is one of the chemical reactions, especially involved in the oxidation of lipids.

This oxide is a compound made up of oxygen and other elements.

Calcium oxide is one of the main components of cement.

Lithium aluminium hydride is necessary for this chemical reaction.

This is my unused camera.

Acidic oxides react with water to produce acids.