SECLeaving CertOrdinary Level2016–2025 · 10 papers analysed

Leaving Cert Chemistry — Ordinary Level
Past Paper Topic Frequency Analysis

We ran a full past paper analysis across 10 SEC Leaving Cert Chemistry Ordinary Level June papers (2016–2025), identifying which topics appear most frequently, which are overdue, and where to focus your revision for maximum marks.

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2026 Data-Driven Forecast

“Based on our analysis of 10 SEC papers, Chemistry remains a key area of focus, appearing in 70% of exams. For the 2026 cycle, we have identified 1 high-probability topics that show consistent recurrence patterns. Focus your revision on these core areas to maximize your mark potential.”

Verified against 10 official papers
Top topics by frequency (2016–2025)
Chemistry
7/10 papershigh
consistent70%
Chemistry — Titration Techniques
5/10 papersmedium
consistent50%
Chemistry — Concentration Calculations
4/10 papersmedium
consistent40%
Organic Chemistry3/10 papers
Chemistry — Flame Tests3/10 papers
Chemistry — Titration Calculations3/10 papers
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17 more topics in the full analysis

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Key insight
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Chemistry: appears in 7/10 papers — high priority
This broad topic is consistently tested, averaging 17 marks. Focus on Titration Techniques (5/10 papers) and Concentration Calculations (4/10 papers) as key subtopics. Both are essential for solidifying your understanding of practical chemistry.
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Titration Techniques: 50% frequency — essential subtopic
Titration Techniques appear in 5/10 papers and are crucial for practical assessments. Ensure you understand both the theoretical and practical aspects of titrations, as they are likely to carry significant marks.
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Concentration Calculations: 40% frequency — worth revising
Concentration Calculations appear in 4/10 papers and typically carry around 11 marks. Practice these calculations to improve your accuracy and speed, as they are a common question type.

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Full topic frequency breakdown
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Interactive revision checklist
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Practice questions in exam style
Browse topics — Leaving Cert Chemistry Ordinary Level June
ChemistryChemistry — Titration TechniquesChemistry — Concentration CalculationsOrganic ChemistryChemistry — Flame Tests+15 more in your analysis →
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