The author of the tasks is a leading scientist, teacher and methodologist who is directly involved in the development of control measuring materials for the Unified State Exam. Typical test tasks in chemistry contain 14 options for sets of tasks, compiled taking into account all the features and requirements of the Unified State Exam in 2019. The purpose of the manual is to provide readers with information on the structure and content of the 2019 KIM in chemistry, the degree of difficulty of tasks. The collection contains answers to all test options and provides solutions to all tasks of one of the options. In addition, samples of forms used on the exam are given to record answers and decisions. The manual is intended for teachers to prepare students for the chemistry exam, as well as high school students and graduates - for self-study and self-control.