Summary

• Description:

  This PDF document contains Form 4 Chemistry Paper 1 End of Term 1 Exam 2025 with Marking Scheme. It has a 2-hour duration and covers the following topics:

  • States of matter and heating curves
  • Redox reactions and oxidation numbers
  • Properties and reactions of sulphur (IV) oxide
  • Types of organic reactions (e.g., dehydration, hydrogenation)
  • Combustion and properties of hydrocarbons
  • Bond energy and enthalpy changes
  • Allotropes and isotopes
  • Ionization energy
  • Reactions of carbonates and acids
  • Preparation and properties of carbon (IV) oxide
  • Qualitative analysis of cations and anions
  • Preparation of salts
  • Thermal decomposition of ammonium chloride
  • Isotopes and percentage abundance
  • Fractional distillation of crude oil
  • Structure and bonding of carbon and silicon compounds
  • Properties of water and hardness
  • Allotropes of sulphur and their properties
  • Structure and bonding in different substances
  • Separation of gases
  • Reactions of metal oxides with reducing agents
  • Reaction of calcium with water and properties of the resulting solution
  • Factors affecting the rate of reaction

  The marking scheme and answers are provided in a separate PDF document.

• File Size:

  414.63 KB
• Length:

  8 pages
• Category:

  Exams
• Level:

  Form 4
• Subject:

  CHEMISTRY
• Posted By:

  Caleb_Peter

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