Summary

• Description:

  The MS Word document comprises Mangu High School 2025 Chemistry Paper 1 Mock Exam with Answers. The PDF version is also available upon your request. The marking scheme is in a different document.

  The exam paper contains 25 questions and it is marked out of a total of 80 marks and it should be completed by learners within a duration of 2 hours.

  It covers the following topics:

  • Organic Chemistry: Homologous series and preparation of soapless detergents
  • Reaction Kinetics: Factors affecting the rate of a chemical reaction
  • Separation Techniques: Paper chromatography and separation of immiscible liquids
  • Solubility: Saturated solutions and solubility curves
  • Electrochemistry: Half-cells, salt bridge functions, and E-cell calculations
  • Atomic Structure: Isotopes and relative atomic mass calculation
  • Chemical Bonding: Types of bonds (covalent, coordinate)
  • Acids, Bases, and Salts: Strong vs. weak acids, basicity, and pH
  • Periodic Table: Group trends (ionization energy, atomic radius)
  • Gas Laws: Graham's Law of Diffusion
  • Radioactivity: Half-life calculations and applications
  • Preparation of Gases: Carbon (II) oxide, Nitrogen (I) oxide
  • Metals: Extraction of Zinc (Roasting and reduction)
  • Carbon and its Compounds: Diamond structure and conductivity, Carbon (IV) oxide tests
  • Quantitative Analysis: Molar heat of neutralization and stoichiometry
  • Isomerism: Structural isomers of C4H8
  • Qualitative Analysis: Cations identification (Iron/Chlorine reaction)
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY

Enter your details below to initiate a payment using MPESA.