Summary

• Description:

  The PDF document comprises Alliance Boys High School Chemistry Paper 3 2024 Mock Exam with Answers (Marking Scheme). The marking scheme is towards the end of the document.

  It is a KCSE Chemistry Paper 3 (Practical) mock examination.

  • Duration: 2 Hours 15 Minutes (2¼ Hours)
  • Total Marks: 40
  • Number of Questions: 3 practical questions

  It covered the following topics:

  • Volumetric analysis through acid–base titration
  • Accurate measurement of volumes using burettes and pipettes
  • Determination of concentration and molarity from titration results
  • Mole calculations based on balanced chemical equations
  • Qualitative analysis of inorganic salts using systematic chemical tests
  • Identification of cations using sodium hydroxide and aqueous ammonia
  • Identification of anions using reagents such as dilute acids and barium nitrate
  • Observation of colour changes, precipitates, and gas evolution
  • Recording observations and making correct chemical inferences
  • Preparation of solutions through dilution and dissolution techniques
  • Use of laboratory apparatus safely and accurately
  • General laboratory skills including data recording, calculations, and result interpretation
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY

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