Summary

• Description:

  The MS Word document comprises Maranda High School Chemistry Paper 1 Mock Exam with Answers 2025. The PDF version is also available upon your request. The marking scheme is in a different document.

  This Chemistry Paper 1 KCSE Trial Exam is a theory paper containing 28 compulsory short-answer questions. The paper is marked out of a total of 80 marks and has a duration of 2 hours.

  The exam assesses a wide range of topics across the chemistry syllabus, including:

  • Structure, Bonding, and the Periodic Table: Questions cover atomic structure, isotopes, electron arrangement, dot-and-cross diagrams, allotropy, and periodicity (ionic radius, valency).
  • Chemical Calculations (The Mole): Includes calculations for empirical formula, stoichiometry (limiting reagents), gas laws (diffusion), concentration, and relative atomic mass.
  • Organic Chemistry: Topics include nomenclature (IUPAC), isomers, and analysis of intermolecular forces and their effect on boiling points.
  • Inorganic and Industrial Chemistry: Covers the Frasch process, thermal decomposition of nitrates, the Contact process, properties of common gases, and reactions of alkali metals.
  • Laboratory Practice: Assesses knowledge of separation techniques (filtration, chromatography), names of apparatus, and tests for common substances like water.
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY

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