: You can often find downloadable "papers" or electronic versions on educational archives like Livre or Vse-Gdz .
: Covers calculation problems, chemical equations, chains of transformations, and laboratory work. gdz po khimii 8-11 lidin
The search result for refers to a popular Russian educational resource: "GDZ" (Gatovyye Domashniye Zadaniya) , which provides solved homework assignments for the chemistry textbook/workbook authored by R.A. Lidin for grades 8 through 11. : You can often find downloadable "papers" or