👉 Unpureness is a concept in chemistry and biology that refers to an object or substance not being pure because it contains impurities. This can happen due to various reasons such as chemical reactions, accidents, or environmental factors. In chemistry, impurities are substances that do not belong to the same group of atoms as other elements but still contribute to the overall composition of a compound. For example, in an organic compound, impurities might include nitrogen (N2), oxygen (O2), and water
