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2022 路 Sec 4 路 Combined Chemistry 路 Prelim Exam

Serangoon 2022 Sec 4 Combined Chemistry Prelim Exam

The 2022 Sec 4 Combined Science (Chemistry) prelim exam set by Serangoon Secondary School, 105 marks over 38 pages, with the answers as a separate file. Free to download for revision.

This paper was set by Serangoon Secondary School. All rights in it belong to the school.

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About this paper

SchoolSerangoon Secondary School
Year and level2022, Secondary 4
SubjectCombined Science (Chemistry)
PaperPrelim Exam (cover: Serangoon Secondary School Preliminary Examination Secondary 4 Express and 5 Normal Academic, Science (Chemistry, Biology) 5078/01 Paper 1, Science (Physics, Chemistry) 5076/03 Science (Chemistry, Biology) 5078/03 Paper 3 (Section A), Science Chemistry 5076/03 Paper 3 (Section B))
Total marks105
Question pages38
Answers6 pages: the school's own answer key, scanned

Parts of the paper

PartQuestionsMarksTimeCalculator
Paper 140401 hYes
Paper 3 Section A9451 h 15 min (whole Paper 3)Yes
Paper 3 Section B320Yes

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

  • Experimental chemistry
  • Methods of purification and analysis
  • Atomic structure
  • Chemical bonding
  • Mole concept
  • Acids, bases and salts
  • Qualitative analysis
  • The Periodic Table
  • Metals
  • Speed of reaction
  • Redox
  • Air
  • Organic chemistry

First pages

  1. Serangoon 2022 Sec 4 Combined Chemistry Prelim Exam, page 1Page 1
  2. Serangoon 2022 Sec 4 Combined Chemistry Prelim Exam, page 2Page 2

Get the full paper free38 pages, answers included

Questions about this paper

How many marks is the Serangoon 2022 Sec 4 Combined Chemistry prelim paper?

105 marks over 38 pages. Paper 1 has 40 questions for 40 marks, Paper 3 Section A has 9 questions for 45 marks, Paper 3 Section B has 3 questions for 20 marks.

Does the Serangoon 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.

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