Redox Reactions - IGCSE Chemistry 0620 - All Paper 2 Solved 2018–2024

IGCSE Chemistry 0620 Redox Reactions | All Paper 2 MCQ Solved 2018–2024 Complete walkthrough of all Redox Reactions MCQ questions from IGCSE Chemistry 0620 Paper 2 (2018–2024), covering May/June and Oct/Nov sessions. Every question solved with full explanation. Topics covered: Definitions of oxidation and reduction: oxygen, electron and oxidation number Identifying oxidation and reduction from equations Calculating oxidation numbers in compounds Oxidising agents: substances that are reduced in the reaction Reducing agents: substances that are oxidised in the reaction Identifying oxidising and reducing agents from equations Redox reactions involving metals reacting with metal oxides Displacement reactions as redox reactions (halogens and metals) Redox reactions in the blast furnace: iron oxide and carbon monoxide Potassium manganate and potassium dichromate as oxidising agents Potassium iodide as a reducing agent Ionic half equations and electron transfer Thermite reaction ⏱ Chapters: 0:00 Introduction & Key Definitions 2:02 Identifying Redox Reactions from Equations 5:51 Identifying Oxidation & Reduction 8:14 Reduction Reactions & Half Equations 11:08 Calculating Oxidation Numbers 16:47 Redox in the Blast Furnace 19:41 Oxidising & Reducing Agents 24:01 Strongest Reducing Agents 28:32 Potassium Manganate & Dichromate as Oxidising Agents 33:33 Displacement Reactions as Redox 39:05 Ionic Equations & Electron Transfer IGCSE Chemistry 0620 | CIE Cambridge Chemistry | Redox reactions IGCSE | Oxidising reducing agents IGCSE | Oxidation number IGCSE | Electron transfer | Paper 2 MCQ solved | IGCSE revision 2025 | Cambridge past papers