Chemistry Test
Chemistry is a subject where understanding matters as much as memory: why an element behaves a certain way and how a formula leads to a reaction. The test covers the main sections of the course.
More than 500 tasks
Main sections of the school chemistry course
Explanations for every answer
The rule or property used is named
Unlimited access
Repeat topics as often as you need
For school and university entry
Suitable from age 12
Question types
- Chemical reactions. Reaction types, balancing, signs of a reaction.
- Solutions and concentration. Mass fraction, solubility, dilution.
- Acids and bases. Properties, interactions, indicators, pH.
- Chemical safety. Handling substances and first aid.
- Periodic table. Properties of elements and trends across groups.
- Organic chemistry. The basics: compound classes and their properties.
Difficulty levels
- Easy — more than 200 tasks. Core concepts and simple properties.
- Medium — more than 300 tasks. Reactions, solutions, acids and bases.
- Hard — more than 60 tasks. Calculation and combined tasks.
Available languages
- 7 languages: English, Русский, Español, 中文, Deutsch, Қазақша, Français
Who it is for
- Students in grades 8–11 preparing for tests and exams.
- Anyone applying to medical, chemistry or engineering programmes.
- Adults refreshing the school course before a course or certification.
Buy test access
Amounts in other currencies are shown for reference at the Bank of Russia rate of 16.10.2026. Payment is made in rubles.
To Pay:
₽300≈ 3.58 $≈ 1613.97 ₸≈ 24.00 ¥≈ 3.20 €
