👉 Substitutability is a concept in chemistry that refers to the ability of a substance to react with another substance to produce a product. It can be defined as the degree of similarity between two substances, which determines how much they will react together. In simpler terms, substitutability means that if one substance reacts with another, the other will also react with it. This is because the reaction requires both substances to be present for it to occur. For example, in a chemical reaction, if one
