Chemistry‎

Chemistry‎

0.0 63.65MB 0 Free
Version 3.15 Updated 0001-01-01 Developer Nikolay Volokhov
Your Personal Chemistry Tutor for the 2026 Exam

Offline. Practice tests. Video explanations. Theory and smart trainers.
Prepare for your chemistry exam as if you had a private tutor β€” even without internet access.

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What’s inside

β€’ Practice exams & tests
Automatically generated full exams and topic-based sets. Always up to date with the 2026 exam format.

β€’ Tasks by topic and difficulty
Practice chemistry questions precisely β€” by concept, topic, or task type.

β€’ Blitz mode
Quick-fire questions with a timer. Fast thinking, real exam pressure.

β€’ Mistake review
Answered wrong? The task is saved to a β€œRevise Later” section so nothing slips through.

β€’ Smart trainers
Train terms, formulas, reaction products, acids, residues β€” with explanations until it becomes automatic.

β€’ Formula & reaction search
Instant lookup for chemical formulas and reactions, with explanations, examples, and reaction conditions.

β€’ Reference tables
Solubility rules, classifications, properties, activity series, electrolytes, and more β€” a dense, exam-ready collection.

β€’ Complete theory course
Atomic structure, inorganic and organic chemistry, electrolytes, redox reactions, reaction types β€” concise, clear, no overload.

β€’ Acids & nomenclature guide
All major acids: formulas, residues, properties, oxidation states, plus problem-solving examples.

β€’ Core terminology
Oxidation states, covalent bonds, amphoterism, hydrolysis, salts, bases, oxides β€” explained with examples.

β€’ Lab & industrial chemistry problems
Typical exam-style problems with step-by-step solutions: mass fraction, yield, redox balancing, and more.

β€’ Inorganic chemistry module
Theory, key reactions, and problem sets with full explanations.

β€’ Score calculator
Automatically converts raw scores to final exam scores with detailed breakdowns.

β€’ Favorites
Save important tasks, formulas, and collections β€” perfect for focused study or tutoring sessions.

β€’ Community chat
A closed community of students aiming for top scores.

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Frequently asked questions

How do I pass the chemistry exam confidently?
Study, practice, and reinforce β€” all in one app. Works fully offline, even in remote areas.

Do I still need a tutor?
If you already have a solid foundation, you may not. If not, the app works perfectly alongside a tutor.

Are the tasks up to date?
Yes. We track exam changes closely and update content immediately.

Pricing
Basic access β€” free.
Premium β€” $4.99 one-time purchase. No subscriptions.

Accessibility support
Free full access for students with disabilities. Contact us β€” we’ll help.

Found a mistake?
Message us. We fix issues fast β€” the developer is always available.

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Join the preparation

We’ve built apps for all major subjects:
Math, Physics, Chemistry, Biology

Pick your subject β€” and go for a top score.
Category: 教育(155215) Version: 3.15 BundleId: en.formulas.definitions.Chemistry Developer: Nikolay Volokhov Updated: 0001-01-01