Chemistry · G2 / G3
Sec 4 Chemistry
The usual Sec 4 half of O-Level Pure Chemistry 6092 (SEC G3 K346 from 2027): oxidation and reduction, electrolysis, chemical energetics, rate of reactions, ammonia and reversible reactions, the Periodic Table, metals and their reactivity, maintaining air quality, and organic chemistry from fuels to macromolecules.
- chapters
- 10
- ready now
- 10
- quiz questions
- 200
- exam-style papers
- 2
Start here · Chapter 1Oxidation & Reduction
- Notes · 15 min read
- 20-question quiz
- 12 topical questions
- 30-mark practice paper
Chapters
10 of 10 chapters ready
Theme 1
Chemistry of Reactions
Redox, electrolysis, chemical energetics, rate of reactions, and ammonia with reversible reactions and equilibrium.
- 1Oxidation & ReductionNotes · quiz · topical questions · practice paper
- 2ElectrolysisNotes · quiz · topical questions · practice paper
- 3Chemical EnergeticsNotes · quiz · topical questions · practice paper
- 4Rate of ReactionsNotes · quiz · topical questions · practice paper
- 5Ammonia & Reversible ReactionsNotes · quiz · topical questions · practice paper
Theme 2
The Periodic Table and Metals
Periodic trends and group properties, transition elements, and the reactivity, extraction and protection of metals.
Theme 3
Chemistry in the World
Maintaining air quality, and organic chemistry from fuels and hydrocarbons to alcohols, carboxylic acids, esters and macromolecules.