Unified State Exam. Chemistry. 10th-11th grades. High-level difficulty tasks.

The manual is designed to practice skills in completing tasks of high complexity level (part 2) of the Unified State Exam (USE) in Chemistry and includes:
- over 1,000 tasks of high complexity level in the USE format,
- brief theoretical information for each section,
- 20 examples of task solutions,
- answers with comments for all tasks,
- an appendix with additional tasks on the topic 'Interrelation of inorganic substances'.

The book will help graduates to prepare effectively for the USE in Chemistry and pass it with a high score.
Teachers can use the material of the manual for organizing revision and systematization of the studied material, for identifying and eliminating gaps in the knowledge of high school students, and for developing in them sustainable skills in solving tasks of high complexity level.
9th edition, revised and expanded.