Summary

• Description:

  The MS Word document comprises the Chemistry Paper 3 LANJET 2024 Mock Exam with Marking Scheme as a KCSE Trial Exam. The PDF version is also available upon your request. The marking scheme is in a different document.

  This practical KCSE Trial Exam paper contains 3 questions designed to be completed within a duration of 2 ¼ hours. The examination is marked out of a total of 40 marks.

  The paper assesses a range of practical skills, requiring learners to perform tasks in the following areas:

  • Quantitative Analysis: Determining the solubility of a dibasic acid at various temperatures, plotting a solubility curve, and performing volumetric analysis (titration) to calculate the molar concentration and relative formula mass of the acid.
  • Qualitative Analysis (Inorganic): Identifying an unknown solid substance by observing its physical properties, the effect of heat, and its chemical reactions with various reagents to deduce the present cations and anions.
  • Qualitative Analysis (Organic): Identifying an unknown liquid by testing its flammability, miscibility with water, and reaction with an oxidizing agent to determine its chemical nature.
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY

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