Summary

• Description:

  The PDF document comprises Arise and Shine Trial 2 Chemistry Paper 1 2026 Pre-Mock Exam with Marking Scheme. The marking scheme is in a different document.

  It was a KCSE Chemistry Paper 1 theoretical examination focusing on atomic structure, stoichiometry, electrochemistry, thermochemistry, and organic reaction pathways. A high-value PDF download for high school candidates revising physical and inorganic chemistry.

  • Month Administered: July 2026
  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 29 (Questions 1-29)
  • Structure: Single compulsory paper consisting of 29 structured short-answer questions

  It covers the following topics:

  • Periodic trends, chemical families, oxide formation, and acid electrical conductivity
  • Preparation of dinitrogen oxide gas from ammonium nitrate and purification of salt mixtures
  • Precipitation reactions, ionic structure, empirical formula calculations, and group ionization trends
  • Hydrogen sulphide reduction reactions, Faraday's electrolysis calculations, and physical state changes
  • Confirmatory testing for carbon (IV) oxide and structural features of alkanes, alkanols, and alkanoic acids
  • Carbon monoxide reduction of metal oxides, fuel heating values, and Le Chatelier's equilibrium shifts
  • Laboratory preparation of ethane, industrial extraction of zinc, and coordinate dative bonding in hydronium ions
  • Potassium sulphate electrolysis, stoichiometry calculations, and dry salt preparation methods
  • Energy cycles, gas diffusion laws (Graham's Law), and ammonia gas reduction reactions
  • Radioactive decay equations, Down's process for sodium extraction, and oxidation state calculations
• File Size:

  466.17 KB
• Length:

  9 pages
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY
• Posted By:

  Caleb_Peter

Enter your details below to initiate a payment using MPESA.