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2025 IGCSE Chemistry Syllabus/Specimen/Questions and Answers
2025 IGCSE Chemistry Syllabus/specimen/Questions and Answers covers essential topics in chemistry, including reactions, bonding, and practical skills. Check out IGCSE Chemistry Syllabus, features Core and Extended levels with assessments for varied learning needs.

IGCSE Chemistry syllabus helps students learn chemistry by covering a wide range of important concepts and practical experiments. It includes key topics such as atomic structure, bonding, chemical reactions, and how different substances behave. The syllabus also explores acids, bases, salts, and molecular chemistry, providing a comprehensive understanding of chemical principles.
It offers two levels: Core for a basic understanding and Extended for more advanced students. Assessments are designed to evaluate knowledge, problem-solving, and practical skills through multiple-choice questions, written answers, and lab-based exams, ensuring a balanced testing of both theory and hands-on experience.
2025 IGCSE Biology Syllabus/Specimen/Questions and Answers
Here in this article, students will get a clear overview of the Cambridge IGCSE Chemistry (0620) syllabus, which highlights the requirements of this subject from an exam point of view. The article also explains the Weighting of Assessment Objectives as a Percentage of the Qualification for helping the students in understanding how different skills are evaluated. Additionally, the Weighting of Assessment Objectives as a Percentage of Each Component gives insight into how each paper contributes to the final grade.
IGCSE Chemistry Syllabus 2025
Cambridge IGCSE Chemistry syllabus provides a comprehensive guide for students to understand key scientific concepts and develop practical skills. It prepares students for further education or future careers. The details are provided below.
| IGCSE Chemistry Syllabus | |
| S. No. | Topics |
| 1 | States of Matter |
| 2 | Atoms, elements, and compounds |
| 3 | Stoichiometry |
| 4 | Electrochemistry |
| 5 | Chemical energetics |
| 6 | Chemical reactions |
| 7 | Acids, bases, and salts |
| 8 | The Periodic Table |
| 9 | Metals |
| 10 | Chemistry of the environment |
| 11 | Organic chemistry |
| 12 | Experimental techniques and chemical analysis |
Cambridge IGCSE Chemistry (0620) Syllabus Official PDF
The overview of the Cambridge IGCSE Chemistry (0620) syllabus is given above in this article. It covers essential topics like states of matter, chemical reactions, acids, bases, and organic chemistry. This IGCSE syllabus helps students to gain a solid foundation in chemistry concepts and prepares them for further studies. For the detailed Cambridge IGCSE Chemistry syllabus, students can download it from the given link.
Weighting of Assessment Objectives as a Percentage of the Qualification
Assessment objectives like knowledge, problem-solving, and practical skills are weighted differently in each exam paper, ensuring a balanced evaluation of student abilities. The details are provided below.
| Weighting of Assessment Objectives as a Percentage of the Qualification | |
| Assessment Objective | Weighting in IGCSE (%) |
| AO1 Knowledge with understanding | 50 |
| AO2 Handling information and problem-solving | 30 |
| AO3 Experimental skills and investigations | 20 |
| Total | 100 |
Weighting of Assessment Objectives as a Percentage of Each Component
The assessment includes multiple-choice, short-answer, and practical exams. Students are tested through Core or Extended papers, depending on their level of study. The details are provided below.
| Weighting of Assessment Objectives as a Percentage of Each Component | |||
| Assessment Objective | Papers 1 and 2 | Papers 3 and 4 | Papers 5 and 6 |
| AO1 Knowledge with understanding | 63% | 63% | – |
| AO2 Handling information and problem-solving | 37% | 37% | – |
| AO3 Experimental skills and investigations | – | – | 100% |
| Total | 100% | 100% | 100% |
IGCSE Chemistry Assessment Details
The assessment includes multiple-choice, short-answer, and practical exams. Students are tested through Core or Extended papers, depending on their level of study. The details are provided below.
| IGCSE Chemistry Assessment Details | |||||||
| Assessment Type | Paper | Duration | Marks | Question Type | Assessment Objectives Tested | Grades Assessed | Externally Assessed |
| Core Assessment | Paper 1: Multiple Choice (Core) | 45 minutes | 40 | 40 compulsory multiple-choice questions | AO1, AO2 | C to G | Yes |
| Paper 3: Theory (Core) | 1 hour 15 minutes | 80 | Short-answer and structured questions | AO1, AO2 | C to G | Yes | |
| Extended Assessment | Paper 2: Multiple Choice (Extended) | 45 minutes | 40 | 40 compulsory multiple-choice questions | AO1, AO2 | A* to G | Yes |
| Paper 4: Theory (Extended) | 1 hour 15 minutes | 80 | Short-answer and structured questions | AO1, AO2 | A* to G | Yes | |
| Practical Assessment | Paper 5: Practical Test | 1 hour 15 minutes | 40 | Practical Test | AO3 | – | Yes |
| Paper 6: Alternative to Practical | 1 hour | 40 | Alternative to Practical Test | AO3 | – | Yes | |
Tips to Study IGCSE Chemistry Syllabus
- To excel in IGCSE Chemistry, it is important to focus on the assessment objectives—knowledge, problem-solving, and experimental skills. Since AO1 (knowledge) contributes 50% of the total marks, a solid understanding of core concepts is crucial. However, AO2 and AO3 should not be overlooked, as problem-solving and practical skills make up the remaining 50% of the final grade.
- The syllabus covers both Core and Extended topics, but mastering the fundamentals in Core topics like atomic structure, bonding, and reactions is key. Once these are understood, tackling the more advanced Extended material becomes much easier.
- Practical knowledge plays a significant role, especially for Paper 5 (Practical Test) and Paper 6 (Alternative to Practical). It’s not enough to just read about experiments; students should actively practice drawing experimental setups, interpreting results, and understanding lab techniques. Whether opting for the Practical Test or the Alternative, hands-on learning will greatly improve your grasp of essential skills.
- IGCSE Past papers should be used strategically to familiarize yourself with exam formats and question types. Rather than just answering the questions, carefully analyze the mark schemes to see how examiners grade responses. Simulating exam conditions while practicing can help with time management, and identifying weak areas will build your confidence for the real exam.
- Finally, ensure you are studying with the latest syllabus version. IGCSE updates its syllabus periodically, so it’s vital to stay updated with the current changes, especially regarding assessment objectives and topics. This helps to avoid surprises and ensures you’re fully prepared for what the exams require.
IGCSE Chemistry Syllabus FAQs
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