Summary

• Description:

  The MS Word document comprises Maranda High School Chemistry Paper 1 Mock 2022 Exam with Answers (Marking Scheme). The PDF version is also available upon your request. The marking scheme is in a different document.

  It was a KCSE Mock examination.

  This chemistry paper tests students' theoretical understanding of chemical principles, periodic trends, and reaction equations. It is designed to evaluate fundamental chemical knowledge and problem-solving abilities.

  • Month Administered: September
  • Duration: 2 Hours
  • Total Marks: 80
  • Number of Questions: 27

  It covers the following topics:

  • Laboratory apparatus materials and Bunsen burner flames
  • Rust prevention and sacrificial protection
  • Catalytic oxidation of ammonia
  • Oxidation numbers and electron configurations
  • Periodic trends (Atomic radius, melting/boiling points, conductivity)
  • Le Chatelier’s Principle and dynamic equilibrium
  • Nuclear equations and radioactive half-life graphs
  • Preparation and properties of hydrogen gas
  • The pH scale and properties of acidic/alkaline solutions
  • Industrial extraction of zinc from its ores
  • Chemical properties and uses of chlorine water
  • Solubility curves and crystallization calculations
  • Chemical bonding, structure, and electrical conductivity
  • Preparation and collection of dry oxygen gas
  • Reaction rates in different solvents
  • Calculation of empirical and molecular formulas
  • Chemical processes (Deliquescence, dehydration, efflorescence)
  • Calculation of relative atomic mass from isotopes
  • Water hardness (Temporary and permanent)
  • Qualitative analysis of cations, anions, and complex ions
  • Reaction rate graphs involving calcium carbonate and hydrochloric acid
  • Graham’s law of diffusion calculations
  • Thermochemistry (Calculating heat change using bond energies)
  • Preparation of insoluble salts (Lead (II) chloride)
  • Redox reactions (Hydrogen sulphide and Iron (III) chloride)
  • Energy level diagrams and enthalpy changes
  • Electrochemical cells and calculation of electrode potentials
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  CHEMISTRY

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