2022 路 Sec 4 路 Combined Chemistry 路 Prelim Exam
Chua Chu Kang 2022 Sec 4 Combined Chemistry Prelim Exam
The 2022 Sec 4 Combined Science (Chemistry) prelim exam set by Chua Chu Kang Secondary School, 85 marks over 22 pages, with the answers as a separate file. Free to download for revision.
This paper was set by Chua Chu Kang Secondary School. All rights in it belong to the school.
About this paper
| School | Chua Chu Kang Secondary School |
|---|---|
| Year and level | 2022, Secondary 4 |
| Subject | Combined Science (Chemistry) |
| Paper | Prelim Exam (cover: 2022 4E SciChem Prelim, Chua Chu Kang Sec (no cover page in file), mark scheme: Secondary 4E5N Science (Chemistry) Preliminary Examination 2022) |
| Total marks | 85 |
| Question pages | 22 |
| Answers | 6 pages: the school's own answer key, scanned |
Parts of the paper
| Part | Questions | Marks | Time | Calculator |
|---|---|---|---|---|
| Paper 1 | 20 | 20 | ||
| Paper 3 Section A | 7 | 45 | Yes | |
| Paper 3 Section B | 3 | 20 | Yes |
How it fits today's syllabus
This paper was set in 2022 for the GCE O-Level. The final O-Level sitting is in October and November 2026. From 2027 Sec 4 students sit the Singapore-Cambridge Secondary Education Certificate (SEC), and MOE treats an O-Level grade as equivalent to G3. Syllabuses change over time, so check an older paper against the current syllabus. See the O-Level periodic table for what to know now.
Topics in this paper
- Methods of purification and analysis
- Qualitative analysis
- Kinetic particle theory
- Atomic structure
- Chemical bonding
- Redox
- Acids, bases and salts
- Salt preparation
- Mole concept
- Energy changes
- Metals
- The Periodic Table
- Rate of reaction
- Air and atmosphere
- Organic chemistry
First pages
Get the full paper free22 pages, answers included
Questions about this paper
How many marks is the Chua Chu Kang 2022 Sec 4 Combined Chemistry prelim paper?
85 marks over 22 pages. Paper 1 has 20 questions for 20 marks, Paper 3 Section A has 7 questions for 45 marks, Paper 3 Section B has 3 questions for 20 marks.
Does the Chua Chu Kang 2022 Sec 4 Combined Chemistry prelim paper come with answers?
Yes. The answers are a separate 6-page PDF: the school's own answer key, scanned. Try the paper first, then mark it.
Is this paper still good practice in 2027?
This paper was set in 2022 for the GCE O-Level. The final O-Level sitting is in October and November 2026. From 2027 Sec 4 students sit the Singapore-Cambridge Secondary Education Certificate (SEC), and MOE treats an O-Level grade as equivalent to G3. Syllabuses change over time, so check an older paper against the current syllabus.