Summary

• Description:

  The PDF document comprises MOKASA I Joint Evaluation Chemistry Paper 2 2025 Mock Exam with Marking Scheme.

  It is a KCSE Chemistry Paper 2 (233/2) examination.

  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 7 (Questions 1–7)
  • Marking Scheme: The marking scheme is in a different document.

  It covers the following topics:

  • Industrial Chemistry (Solvay process for the manufacture of Sodium Carbonate)
  • Properties of Metals and Non-metals (Reduction of Copper(II) Oxide by Hydrogen; Reaction of Potassium with water)
  • Nitrogen and its Compounds (Isolation of Nitrogen from air, Haber process for Ammonia, and Ostwald process for Nitric(V) Acid)
  • Radioactivity (Nuclear equations, properties of alpha and beta particles, and half-life decay curves)
  • Organic Chemistry (Fractional distillation of crude oil, cracking, polymerization, and reaction schemes involving ethene and ethane)
  • Structure and Bonding (Electron arrangement, periodicity, chemical families, and bond types)
  • Thermochemistry (Calculation of enthalpy changes using bond energies and determining molar heat of combustion via calorimetry)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY

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