Study Notes | IGCSE Chemistry 0620 | 6. Chemical Reactions

This Study Note summarises what you need to know about

6. Chemical Reactions from the Cambridge IGCSE syllabus of Paper Chemistry 0620, for exams in 2023,2024 and 2025.

Subtopics include:

• Physical & Chemical Changes
• Collision Theory
  
• Rate of Reaction
• Factors Affecting Reaction Rates
• Investigating Reaction Rates
• Interpreting Data
• Reversible Reactions & Equilibrium
• Changing Conditions on Reversible Reactions
• Effect of Heat on Hydrated Compounds
• Addition of Water to Anhydrous Compounds
• Factors Affecting Equilibrium
• The Haber Process
• The Contact Process
• Oxidation & Reduction (Oxygen Transfer)
• Redox Reactions (Oxygen Transfer)
• Oxidation & Reduction (Electron Transfer)
• Redox Reactions (Electron Transfer)
• Oxidation Number
• Oxidising & Reducing Agents