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All CSS past papers

CSS past papers

CSS Chemistry Paper I Past Papers

11 CSS Chemistry Paper I papers from 2016 to 2026, as text, each with its instructions, questions and marks as FPSC printed them.

Papers by year

About the paper

CSS Chemistry Paper I is an optional paper in Group II of the CSS written exam, worth 100 marks. The 2026 paper allowed 3 hours. The 11 papers here, 2016 to 2026, set 76 questions between them.

Topics in the syllabus

  • Atomic Structure and Quantum Chemistry
  • Electrochemistry
  • Thermodynamics
  • Chemical Kinetics
  • Surface Chemistry and Catalysis
  • Fundamentals of Chemometrics
  • Separation Methods
  • Basic Inorganic Chemistry
  • Acids and Bases
  • Chemistry of d and f-block elements