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Oxidation and Reduction (Oxygen)

Oxidation and Reduction (Oxygen)

Historically, chemists classified chemical reactions based on whether substances gained or lost oxygen. Today, we call these joint processes redox reactions because oxidation and reduction always occur together. Oxidation is the gain of oxygen, while reduction is the loss of oxygen from a chemical species.

Types of chemical reactions Lesson

  1. GCSE
  2. /Chemistry
  3. /Types of chemical reactions

Step-by-step lessons on OCR GCSE Chemistry Types of chemical reactions. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

Lessons