Химия 8 класс is an Android application developed by Nib. The app is completely free and falls under the Education & Reference category. The app provides an extensive overview of chemistry, covering the study of substances, their composition, and structure. It also covers their properties, which depend on their composition and structure, and their transformations, leading to changes in composition - chemical reactions. The app delves into the laws and regularities that these transformations follow. The app also explores the relationship of chemistry with physics and biology, with overlapping areas studied by quantum chemistry, chemical physics, physical chemistry, geochemistry, biochemistry, and other sciences. Overall, Химия 8 класс is an excellent resource for students studying chemistry in 8th grade.