👉 Subnitrate is a chemical compound composed of one carbon atom and two oxygen atoms. It has the formula C2O, meaning it consists of two oxygen atoms bonded to one carbon atom. Subnitrate is an important component in many industrial processes such as steel production, which is why it is often used as a reducing agent for iron ore. Subnitrate can be formed by reacting a base with nitric acid or ammonium hydroxide. It is also used in the chemical synthesis of