Acid
Phosphorus oxide does not directly produce a pH value as it is not an acid or base in the traditional sense. However, when phosphorus oxide reacts with water, it forms phosphoric acid, which can result in a decrease in pH.
acid.
Whether one considers phosphorous pentoxide an acid depends on what definition of an acid is applied. Under the Bronsted-Lowry definition, acids are compounds that donate protons, a definition phosphoric acid fits but not phosphorous pentoxide. Under the Lewis definition, however, an acid accepts a pair of electrons from a base, in which case phosphorous pentoxide is classified as an acid. Its acidic properties are demonstrated by its reaction with water (neutral) to form phosphoric acid (acidic).
Aluminum oxide is classified as a metal oxide. Specifically, it is known as an amphoteric oxide, meaning it can react both as an acid (when combined with a base) and as a base (when combined with an acid).
A phosphorus is a base!
When a metal oxide neutralizes an acid, it produces a salt and water. This reaction is a type of acid-base reaction where the metal oxide acts as a base and the acid acts as an acid. The salt formed usually contains the metal cation from the metal oxide and the anion from the acid.
The oxide of fermium is not known.
Oxygen oxide is not a real substance.
No. Copper oxide has no acid-base properties.
Copper oxide is a base, since it neutralises dilute acid.
Barium oxide is a base. It is an ionic compound that reacts with water to form a strong base, barium hydroxide.
It is amphoteric, meaning that it is both an acid and a base in different situations.