OGE 2021 Chemistry. Grade 9. 30 training options

The textbook is intended for fundamental preparation for the OGE in chemistry. It contributes to the formation of stable skills in performing tasks and systematizing existing knowledge. It takes into account all changes in the specification and demo version of the OGE 2021.
The book contains the following materials:
- 30 new training options compiled according to the official projects of the specification and demo version of the 2021, published on 08/25/2020 on the FIP website,
- 3 options with detailed solutions And comments on each type of task,
- answers to all training options.
The manual is addressed to ninth graders preparing for the CHE in chemistry, teachers and methodologists. The book will be useful to teachers to identify knowledge gaps, drawing up thematic works and conduct current control.
The manual can be used in distance learning