Summary

• Description:

  The PDF document comprises THE SUPER LEAGUE JOINT NATIONAL MOCKS Chemistry Paper 1 2026 Mock Exam with Answers (Marking Scheme). The marking scheme is in a different document.

  It was a KCSE Chemistry 233/1 examination.

  This theory paper assesses essential concepts across physical, inorganic, and organic chemistry. Designed to evaluate candidates' grasp of chemical bonding, thermochemistry, volumetric calculations, gas laws, and industrial processes, it features high-yield quantitative and diagnostic questions.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 28 (Questions 1 to 28)
  • Structure: A compulsory short-answer theory paper containing 28 structured questions covering calculations, equations, and laboratory set-ups.

  It covers the following topics:

  • Chemical Reactions and Stoichiometry (Heating copper and copper (II) nitrate, empirical formula of hydrated copper sulphate, molarity of vinegar from titration data)
  • Gas Laws and Diffusion (Graham’s law of diffusion calculations)
  • Organic Chemistry (Free radical substitution of propane, bonding in alkanes)
  • Atomic Structure and Bonding (Isotopes, neutron calculations, bond types in solids, dot-and-cross diagrams for carbon monoxide and ammonium ion, dative bonding in aluminium chloride dimer)
  • Acids, Bases, and Indicators (pH scale interpretations, amphoteric oxides, separation of mixtures, qualitative analysis of copper and iron ions)
  • Gas Preparation and Properties (Downward and upward delivery of gases, reactions of steam with aluminium, reactions in charcoal jiko, contact process SO3 synthesis)
  • Thermochemistry and Reaction Kinetics (Bond energy calculations, energy changes, reaction rates of zinc with sulphuric acid, molar heat of neutralization)
  • Halogens and Redox (Displacement reactions of halogens, oxidation numbers of sulphur, burning magnesium in air)
  • Electrochemistry (Standard cell notation and EMF calculations)
  • Industrial and Environmental Chemistry (Oxidation of sulphur with nitric acid, environmental hazards of nitrogen compounds)
• File Size:

  330.42 KB
• Length:

  13 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  Chemistry
• Posted By:

  Caleb_Peter

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