OGE 2023 Chemistry. 9th grade. 30 practice versions

The textbook is intended for fundamental preparation for the OGE in chemistry. It contributes to the systematization of the knowledge of the graduates and the formation of stable skills in the execution of tasks in the format of the main state exam.
The book contains:
30 new training options compiled according to the official projects of the specification and demo version of the 2023, published on 08/23/2022 on the FIPI website,
3 options with detailed solutions and comments on each Type of tasks,
answers to all training options.
The manual is addressed to ninth graders preparing for the CHE in chemistry and teachers. The book will be useful to teachers to identify gaps in the knowledge of students, to draw up thematic works and conduct current control.
Manual can be used in distance learning