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Chemia — Poziom Rozszerzony for the Matura Exam

Chemia at the extended level is required for chemistry, pharmacy, medicine, food technology, and materials science admissions. The exam covers organic chemistry reactions (mechanisms, functional groups, IUPAC nomenclature), quantitative chemistry (stoichiometry, concentration, pH), and thermochemistry.

Locale-specific study guides

Pass-rate data, regulatory context, and study tips for Chemia — Poziom Rozszerzony all change by candidate locale. Pick your context:

Common failure modes

These are the patterns that cause most candidates to lose marks on this topic. Recognising them in advance is half the work.

!Organic chemistry nomenclature errors: applying IUPAC rules for complex substituents
!Stoichiometry errors: not balancing equations before calculating mole ratios
!pH calculation errors in buffer and hydrolysis problems

Study tips

1Master the IUPAC nomenclature rules for the 5 most important organic functional groups.
2Practice stoichiometry problems step-by-step: balance equation → identify given → apply mole ratio → calculate.
3Learn the reaction types for each functional group: substytucja, addycja, eliminacja, utlenianie.

Sample Matura Chemia — Poziom Rozszerzony questions

These sample items mirror the format and difficulty of real Matura questions. Practice with thousands more on the free Koydo question bank.

1
Ile moli CO₂ powstaje przy spaleniu 2 moli propanu (C₃H₈)? (How many moles of CO₂ are produced when 2 moles of propane burn?)
- A3
- B4
- C6Correct
- D8
Why this answer?
Zrównoważone równanie: C₃H₈ + 5O₂ → 3CO₂ + 4H₂O. Stosunek molowy C₃H₈ : CO₂ = 1 : 3. Dla 2 moli propanu: 2 × 3 = 6 moli CO₂.

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