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RP2: Electrolysis

Investigate electrolysis of aqueous solutions using inert electrodes

Required PracticalAQAGCSE

🔬 Equipment Required

  • Electrolysis cell
  • Carbon/graphite electrodes (inert)
  • Power supply (DC)
  • Ammeter
  • Connecting wires with crocodile clips
  • Test tubes (for collecting gases)
  • Various electrolyte solutions (CuSO₄, NaCl, H₂SO₄)
  • Splint and lighted splint

🦺 Safety Precautions

  • Wear safety goggles
  • Chlorine gas is toxic - work in well-ventilated area
  • Do not touch electrodes when power is on
  • Handle acids carefully

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About RP2: Electrolysis

RP2: Electrolysis is a required practical for AQA GCSE Chemistry. This practical investigate electrolysis of aqueous solutions using inert electrodes

Students are expected to understand the method, identify and control variables, use appropriate equipment, analyse results, draw graphs, identify sources of error, suggest improvements, and consider safety precautions.

Questions on required practicals frequently appear in AQA GCSE Chemistry exams and can be worth significant marks. Practice with our AI-generated questions to master this practical.

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