Summary

• Description:

  The MS Word document comprises BOKAKE Cluster Examinations Chemistry Paper 1 2025 Mock Exam with Marking Scheme.

  It is a Form Four Chemistry (Theory) Paper 1 End of Term 2, 2025 examination.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 26 (Questions 1–26)
  • Marking Scheme: The marking scheme is in a different document.

  It covers the following topics:

  • States of matter (changes of state between solid, liquid, and gas)
  • Separation of mixtures (purification of rock salt, separation of immiscible liquids, solvent extraction)
  • Carbon and its compounds (test for carbon (IV) oxide, preparation of carbon (II) oxide)
  • Solubility (separation of solids based on solubility in cold and hot water)
  • Acids, bases, and salts (titration calculations involving dibasic acids)
  • Metals (reactivity series and reactions with water and acid)
  • Electrochemistry and Redox (determination of oxidation numbers, definitions of oxidation and reduction)
  • Diffusion (reaction between ammonia and hydrogen chloride gases, Graham's law calculations)
  • Polymers (structure and calculations of polystyrene monomers)
  • Inorganic chemistry (reaction of ammonia with copper (II) sulphate and copper (II) oxide)
  • Sulphur and its compounds (preparation of sulphur (IV) oxide, large scale manufacture of hydrochloric acid)
  • Atomic structure (calculation of relative atomic mass from isotopic abundance)
  • Periodic table (trends in atomic radii and melting points of halogens)
  • Industrial processes (catalysts used in hydrogenation, Haber process, and Contact process)
  • Organic chemistry (preparation of alkanes using soda lime, combustion of ethene)
  • Structure and bonding (amphoteric oxides, dot and cross diagrams for nitrogen fluoride and sodium oxide)
  • Radioactivity (factors determining isotope stability)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY

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