Сѓр±рѕсђрѕрёрє Р·р°рґр°с‡ Рїрѕ С…рёрјрёрё 9 Рєр»р°сѓсѓ С…рір°р»сћрє 2020 Apr 2026

Electrolytic dissociation (ions in solutions, acids, bases, and salts). Non-metals and metals and their respective compounds. Chemistry and the environment.

: The material is divided into themes and paragraphs that mirror the official 9th-grade textbook, making it an ideal companion for lesson-by-lesson study.

: Each paragraph includes specific assignments for reviewing and solidifying previously learned concepts. Core Topics Covered :

This problem book is widely used in Belarusian schools and can sometimes be found in digital format on platforms like VK or specialized educational libraries. СбоРНИк задач по ХИмИИ