N, O Levels Chemistry Examination Format (GCE 5073)

Note: The combined science (Phy/Chem), GCE 5105 (NA) and GCE 5076 (O levels) have a similar exam format but with reduced topics and content. Separate classes are opened for students who are taking the subject code 5105 and 5076. 


  • Four options given
  • Mostly recollection of knowledge and direct answers
  • Simple handling of information and problem solving

Exam Tips

  • Familiarity with past year questions
  • Smart elimination when uncertain


Section A

  • Compulsory structured questions
  • Moderate memorising of scientific laws, definitions, concepts and theories required
  • Ability to link concepts to questions
  • Specific calculations required for mol concept
  • Correct use of units
  • Moderate ability to process information and give conclusions

Exam Tips

  • Understand terms used in papers
  • Scientific laws and definitions provided by Basecamp
  • Formulas and units provided by Basecamp
  • Strong understanding of the periodic table (given in exam)
  • Strong understanding and memorising of general chemical reactions and equations 
  • Practice writing in both forward and backward chemical reactions

Section B

  • 3 long structured questions, first 2 compulsory and the final presented in an either/or form.
  • One of the compulsory question will be data-based question requiring candidates to interpret, evaluate or solve problems using a stem of information
  • Strong memorising and understanding of certain topics required

Exam Tips

  • Detailed guidance on how to interpret, evaluate or solve problems with given data
  • Identify the topic/concept of the question
  • Strategic memorising of certain popular topics for either/or question
  • Presentation skills to include key words to maximize scoring


School-based Practical Assessment (SPA)

  • A total of 5 graded assessment carried out in school with 3 skill sets tested
  • Skill set 1 – Performing and Observing (2 times)
  • Skill set 2 – Analysing (2 times)
  • Skill set 3 – Planning (1 time)
  • Variation of lab experiments
  • Strong recollection of knowledge required

Exam Tips

  • Ability to link concepts to experiment
  • Memorise and explain common experimental and human errors
  • Read and follow instructions carefully, without assumptions
  • Good housekeeping techniques
  • Strong understanding and memorising of general chemical reactions and equations
  • Predict products by evaluating reactants