It is designed primarily for Organic Chemistry , which is the standard curriculum for the 10th grade in Russia.
Unlike standard textbooks (like those by Gabrielyan), Nekrasova's task cards are often intended as assessment material for teachers, making official "reshebniks" less common in public retail. reshebnik nekrasova l.i khimiia 10 klass kartochki zadanii
While you may find unofficial solutions on educational platforms like Infourok or SdamGIA , many sites claiming to have the full PDF are often pay-walled or require registrations. It is designed primarily for Organic Chemistry ,