This is a lesson on sodium chloride electrolysis designed for a triple set (top set) GCSE science group following the OCR Gateway science specification (C2H). The electrolysis is shown as a demo with students having previously carried out their own copper sulphate electrolysis practical. The lesson is designed to be fast paced with plenty of stretch and challenge as befits this set with students aiming for A* grades. Slides 5 (labelling) and 18 (extension activity) can be printed 6 slides per A4. Feedback to my TES inbox please.
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