Chemistry. Problem book-navigator. Getting ready for the Unified State Exam and the Basic State Exam.

The book you are holding is a collection of original and unconventional chemistry questions and problems that will allow you to create your individual learning path in various areas of chemical science. The book includes the most interesting tasks from regional and interregional chemistry olympiads for school students in terms of methodology and informativeness, open and closed tests corresponding to the competitive tasks of the basic and advanced levels of the Unified State Exam, as well as traditional problems for chemistry olympiads. All tasks and problems included in the collection are grouped into separate thematic blocks and content lines. Detailed author solutions are provided for the problems, and answer keys are given for the open and closed tests. The manual is intended for students in grades 9-11 who aim to deepen their knowledge of chemistry and succeed in olympiads at different levels, as well as for teachers preparing their students for chemistry olympiads and admission to medical educational institutions. 2nd edition.