Summary

• Description:

  The MS Word document comprises the Form 3 Chemistry Paper 3 End Term 2 2025 Exam with Marking Scheme. The PDF version is also available upon your request. The marking scheme is in a different document.

  This is a practical examination paper focusing on titration. It consists of one question to be completed within a 1-hour duration. The total marks for the paper are 20.

  The experiment requires the learner to determine the mass of a solid sodium carbonate sample by titrating it with a 0.25M HCl solution. The assessment covers the following skills and calculations:

  • Performing a titration correctly and recording the results in a table.
  • Calculating the average volume of the titrant used.
  • Writing the full stoichiometric and ionic equations for the reaction.
  • Calculating the moles of reactants from the titration data.
  • Determining the molarity of the prepared solution.
  • Calculating the mass of the solid used in the experiment.
• Category:

  Exams
• Level:

  Form 3
• Subject:

  CHEMISTRY

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