A-LEVEL-CHEMISTRY · TCAS Exam Preparation (เตรียมสอบ TCAS)
A-Level Chemistry Exam Tips
Stoichiometry, gas, titration, redox, and equilibrium items all depend on mole ratios. Do not calculate before balancing.
Papers
1
Total marks
100
Time limit
90 min
Grade scale
Raw 0–100T-score 40T-score 50T-score 60T-score 70+
Additional note
Calculator policy
TGAT papers: no calculator unless stated. TPAT and A-Level papers: basic calculators allowed where specified in the official blueprint.
Assessment objectives
Apply atomic, bonding, structure, and property concepts to chemical substances.Use stoichiometry, equilibrium, acid-base, redox, kinetics, and thermochemistry in reaction problems.Interpret experimental procedures, observations, variables, safety, and data.Connect chemical principles to materials, environment, industry, and everyday applications.Calculate accurately with moles, concentration, gas volume, and reaction relationships.
1
Papers
6
Strategies
8
Mistakes
- Stoichiometry, gas, titration, redox, and equilibrium items all depend on mole ratios. Do not calculate before balancing.
Tips are paraphrased for study purposes from exam structure data and marking patterns. Always verify against your official syllabus and mark scheme.