The book is the first experience of compiling a collection of inventive problems in chemistry. About two hundred copyright certificates and patents were used by the authors of the collection as plots of tasks that are designed for high school students who show interest in chemistry. It will be useful in classes of chemical circles and electives, in lessons in classes with in-depth study of chemistry, to prepare for entrance exams in chemistry in higher educational institutions. The book can serve as a kind of test for highlighting inventive talent.