The application contains tests and tasks in chemistry to improve knowledge and prepare for the OGE and EGE in chemistry and other exams.
The questions are structured in such a way as not only to check the level of preparation, but also to teach the new material. Help is available for each topic, with a detailed description of the theory and examples.
- Chemical elements and periodic table;
- Chemical substances;
- Calculations and reaction rates, oxidation and reduction;
- Solutions, mixtures, electrolytes;
- Classes of chemicals and their properties;
- Chemical reactions and qualitative analysis;
- Chemistry in everyday life and life;
- Organic chemistry (nomenclature and classes of substances, alkanes, alkenes, alkynes, aromatic hydrocarbons, oxygen-containing, etc.);
- Organic chemistry (reactions);
You can also run a general test on all topics.