Quick answer: Redox reactions transfer electrons: oxidation is loss of electrons and an increase in oxidation number, reduction is gain of electrons and a decrease. This Chemistry 11-12 quiz checks redox reactions with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
This redox reactions quiz for chemistry grades 11-12 has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on redox reactions.
Ten multiple-choice questions on oxidation numbers, agents, half-equations and titration. Pick one option for each, then read the explanation to see the common mistake behind each wrong answer.
Level: Chemistry grades 11-12 (A Level · IB · Class 11-12) · Curriculum: IB R3.2