Summary

• Description:

  The PDF document comprises The Success Path Examination Council (SPEC) Chemistry Paper 1 2025 Pre-Mock Exam with Answers (Marking Scheme). The marking scheme is in a different document.

  It was a Pre-Mock Chemistry 233/1 examination.

  • Duration: 2 hours
  • Total Marks: 80
  • Number of Questions: 1-27

  It covers the following topics:

  • Qualitative analysis (Aqueous ammonia and sodium sulphate tests)
  • Environmental chemistry (Chlorofluorocarbons uses and harmful effects)
  • Structure and bonding (Melting points of oxides of elements in period 3)
  • Solubility and crystallization
  • Preparation and properties of gases (Hydrogen production from steam and magnesium)
  • Gas laws (Graham's law of diffusion, Boyle's law)
  • Thermochemistry (Temperature change in precipitation reactions, heat of reaction using bond energies, molar enthalpy of combustion of fuels)
  • Air and combustion (Determining oxygen in the air using iron filings)
  • Preparation of gases (Hydrogen chloride gas preparation, properties, and drying agents)
  • Organic chemistry (Fractional distillation of crude oil, ethene reactions, hydration, polymerization)
  • Structure and properties of matter (Types of forces, simple molecular vs. giant ionic/metallic structures)
  • Stoichiometry and the mole concept (Reacting masses, precipitation of lead (II) chloride)
  • Reaction rates (Acids reacting with sodium carbonate over time)
  • Salts (Preparation of copper (II) carbonate)
  • Mixtures and separation techniques (Boiling point of impurities, solvent extraction of oils)
  • Gay-Lussac's Law of combining volumes
  • Nitrogen and its compounds (Ammonia oxidation, nitric acid production)
  • Acids, bases, and indicators (Properties of concentrated sulphuric acid, Bronsted-Lowry acid-base theory)
  • Laboratory apparatus and techniques
  • Water and hydrogen (Temporary and permanent water hardness, removal methods, advantages of hard water)
• File Size:

  703.72 KB
• Length:

  12 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY
• Posted By:

  Caleb_Peter

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