"Хімічні" refers to anything related to хімія, the branch of science that studies the composition, structure, properties, and changes of matter. This field explores how substances interact, combine, and transform, leading to the creation of new materials and compounds. In everyday life, "хімічні" processes are involved in various activities, such as cooking, cleaning, and even in our bodies. For example, when we bake, хімічні reactions occur between ingredients, resulting in the final product. Understanding these processes helps us appreciate the science behind the materials and reactions we encounter daily.