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2023 路 Sec 4 路 Chemistry 路 Prelim Exam

Catholic High 2023 Sec 4 Chemistry Prelim Exam

The 2023 Sec 4 Chemistry prelim exam set by Catholic High School, 120 marks over 42 pages, with the answers as a separate file. Free to download for revision.

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  • Answers as a separate PDF, 8 pages (the school's own key)
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About this paper

SchoolCatholic High School
Year and level2023, Secondary 4
SubjectChemistry
PaperPrelim Exam (cover: Catholic High School Preliminary Examination Secondary 4 (O-Level Programme) Chemistry 6092/01 Paper 1 Multiple Choice, 6092/02 Paper 2 (Section A booklet A, Section B booklet B))
Total marks120
Question pages42
Answers8 pages: the school's own answer key, scanned

Parts of the paper

PartQuestionsMarksTimeCalculator
Paper 140401 hYes
Paper 2 Section A8501 h 45 min (whole Paper 2)Yes
Paper 2 Section B3301 h 45 min (whole Paper 2)Yes

How it fits today's syllabus

This paper was set in 2023 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 and structure
  • Mole concept
  • Acids, bases and salts
  • Qualitative analysis
  • Redox
  • Electrolysis
  • Periodic table
  • Metals and reactivity series
  • Chemical energetics
  • Rate of reactions
  • Ammonia
  • Organic chemistry
  • Air and atmosphere

First pages

  1. Catholic High 2023 Sec 4 Chemistry Prelim Exam, page 1Page 1
  2. Catholic High 2023 Sec 4 Chemistry Prelim Exam, page 2Page 2

Get the full paper free42 pages, answers included

Questions about this paper

How many marks is the Catholic High 2023 Sec 4 Chemistry prelim paper?

120 marks over 42 pages. Paper 1 has 40 questions for 40 marks, Paper 2 Section A has 8 questions for 50 marks, Paper 2 Section B has 3 questions for 30 marks.

Does the Catholic High 2023 Sec 4 Chemistry prelim paper come with answers?

Yes. The answers are a separate 8-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 2023 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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