👉 In chemistry, "unmixedness" refers to a state in which two or more substances are not mixed together but exist separately. This can occur due to various factors such as different chemical compositions, physical properties, or environmental conditions. In simpler terms, it means that two substances do not share the same elemental composition and cannot be combined into one substance without altering their properties significantly. For example, water and hydrogen gas (H2O) are considered unmixed because they exist separately in nature but can