Redox chemistry written questions
Write G3 Science Chemistry answers on electron transfer and oxidation or reduction, then review them using marking guidance.
Learning goals
- Define oxidation and reduction as gain or loss of oxygen or hydrogen
- Define redox as electron transfer and changes in oxidation state
- Describe how aqueous potassium iodide and acidified potassium manganate(VII) test for oxidising and reducing agents by their colour changes
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