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Topic plan · IGCSE Chemistry 0620 · Topic 6

Chemical reactions

How fast, how far, and who loses electrons. Rates of reaction, reversible reactions and equilibrium, and redox.

Open the topic lab Question bank Notes PDF
Unit at a glance

6 lessons, 270 minutes of teaching

Lessons
6, each planned for 45 minutes
Worksheets
6 with answer keys
Quiz questions
48 multiple-choice, assignable in the app
Lab
Reaction kinetics lab
Scheme of work

The lessons in order

RefLesson packStructureWorksheetQuizLab tab
6.1Physical and chemical changes
Melting ice and burning hydrogen both change what you see.
Anticipation / Reaction Guide6 Q, 15 marks8 MCQnone
6.2Rate of reaction
Some reactions are over in a flash, others take years.
Cooperative Concept Mapping6 Q, 16 marks8 MCQtab 3, tab 5
6.2Collision theory and catalysts
Particles can only react when they hit each other, and only if they hit hard enough.
Think-Pair-Share6 Q, 14 marks8 MCQtab 1, tab 4
6.3Reversible reactions and equilibrium
Heat blue copper(II) sulfate crystals and they turn white; add water and they turn blue again.
Rally Robin6 Q, 15 marks8 MCQtab 1
6.3The Haber and Contact processes
Ammonia for fertilisers and sulfuric acid for almost everything are made by reversible reactions.
Jigsaw6 Q, 18 marks8 MCQtab 2, tab 5
6.4Redox
Oxidation and reduction always happen together: if one substance gains oxygen, another loses it; if one loses electrons, another picks them up.
Jot Thoughts6 Q, 13 marks8 MCQtab 2, tab 4

Each pack holds the plan, worksheet and quiz for its lesson. Teach the rows in order; the lab tabs match the student lessons.

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