This lesson covers AQA Trilogy Combined Science specification 5.4.3.4 and develops students’ understanding of electrolysis in aqueous solutions.
Students will:
- Identify which ions are present in an aqueous solution (from the salt and from water)
- Predict which ions are discharged at the cathode and anode based on their reactivity
- Explain why hydrogen, oxygen, or a halogen is produced, using the concept that water produces hydrogen and hydroxide ions
The lesson includes retrieval quizzes, structured activities, and exam-style questions, making it suitable for KS4 classroom teaching or revision.
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