Summary

• Description:

  The MS Word document comprises BURAMU III Chemistry Paper 3 2026 Joint Practical Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a KCSE Chemistry Paper 3 practical examination evaluating hands-on laboratory titration techniques, thermochemistry calculations, and qualitative analysis of inorganic and organic compounds.

  This practical examination provides candidates with authentic laboratory revision questions and step-by-step procedures ideal for mastering answers and scoring schemes.

  • Month Administered: June 2026
  • Duration: 2 Hours 15 Minutes
  • Total Marks: 40 Marks
  • Number of Questions: 3 (Questions 1 - 3)
  • Structure: Question 1 (19 marks), Question 2 (11 marks), and Question 3 (10 marks)

  It covers the following topics:

  • Question 1 (Quantitative Analysis & Thermochemistry):
    • Volumetric analysis titration of hydrochloric acid against standard sodium hydroxide solution
    • Molarity and concentration calculations
    • Thermochemical titration to determine molar enthalpy of neutralization between a carboxylic acid and sodium hydroxide using temperature change curves
  • Question 2 (Inorganic Qualitative Analysis):
    • Solubility testing of unknown inorganic solid C
    • Systematic cation analysis using aqueous ammonia and sodium hydroxide dropwise to excess
    • Confirmatory anion tests using potassium iodide, barium chloride, and dilute nitric acid
  • Question 3 (Organic Qualitative Analysis):
    • Solid D non-luminous flame ignition test for degree of unsaturation and sootiness
    • Functional group tests using bromine water, acidified potassium manganate (VII), and sodium hydrogen carbonate
• File Size:

  436.22 KB
• Length:

  7 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY
• Posted By:

  Caleb_Peter

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