The material consists of cards with tasks for checking knowledge, often used by teachers for quick assessments or independent student work. Search for a "Reshebnik" (Answer Key)

Based on standard Russian 10th-grade organic chemistry curricula, the cards likely cover:

The book (Chemistry. 10th Grade. Task Cards) by L.I. Nekrasova is a widely used pedagogical resource published by the "Lyceum" (Лицей) publishing house in Saratov. Overview of the Publication Author: L.I. Nekrasova. Publisher: Lyceum (Лицей), Saratov.

It is designed primarily for Organic Chemistry , which is the standard curriculum for the 10th grade in Russia.

Alcohols, phenols, aldehydes, and carboxylic acids. Biological Molecules: Carbohydrates, fats, and proteins.