Summary

• Description:

  The MS Word document comprises Form 4 Chemistry Paper 1 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.

  The exam paper contains 28 compulsory questions to be answered in the spaces provided. The paper is marked out of a total of 80 marks, and learners are allocated 2 hours to complete it.

  This theory paper covers a broad range of topics from the Chemistry syllabus, including:

  • Introduction to Chemistry: Laboratory safety rules and drugs.
  • Mixtures: Methods of separation like distillation and use of a separating funnel.
  • The Mole: Calculations involving stoichiometry, titration, Graham's Law, gas volumes, and determining the formula of hydrated salts.
  • Structure and Bonding: Atomic structure, periodicity, covalent vs. coordinate bonds, and explaining properties based on structure (e.g., melting points).
  • Acids, Bases, and Salts: Reactions of acids, salt preparation, and properties of salts like efflorescence and deliquescence.
  • Inorganic Chemistry: Reactions involving air, preparation of gases (ammonia), industrial processes (Contact Process), and water hardness.
  • Electrochemistry: Basic definitions and particles responsible for conductivity.
  • Energy Changes: Calculating enthalpy changes from experimental data and bond energies.
  • Organic Chemistry: Homologous series (Alkenes).
  • Qualitative Analysis: Identifying substances based on chemical tests.
• Category:

  Exams
• Level:

  Form 4
• Subject:

  CHEMISTRY

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