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One term, and every place the course uses it — the revision notes that teach it, the multiple choice questions that check it, and the detailed questions that examine it.

34 sub-topics use electrolysis · showing 21–34

  1. Edexcel · Chemistry · 5 Separate chemistry 1

    5.3Yield and atom economy

    Used in 2 questions on this sub-topic.

    Study notesMultiple choice2

  2. Edexcel · Chemistry · 6 Groups in the periodic table

    6.2Group 7: the halogens

    solution of a reactive metal's compound is electrolysed. Oxygen appears at the anode in the electrolysis of aqueous solutions without halide ions, and when hydrogen peroxide decomposes. Carbon dioxide appears whenever a carbonate meets

    in Test for chlorine

    Study notes1Detailed questions1

  3. AQA · Chemistry · 4.8 Chemical analysis

    4.8.1Purity, formulations and chromatography

    Used in 1 question on this sub-topic.

    Study notesMultiple choice1

  4. AQA · Chemistry · 4.9 Chemistry of the atmosphere

    4.9.2Carbon dioxide and methane as greenhouse gases

    Used in 1 question on this sub-topic.

    Study notesMultiple choice1

  5. Edexcel · Chemistry · 8 Fuels and Earth science

    8.5The greenhouse effect and climate change

    Used in 1 question on this sub-topic.

    Study notesMultiple choice1

  6. AQA · Chemistry · 4.10 Using resources

    4.10.3Using materials

    Used in 3 questions on this sub-topic.

    Study notesMultiple choice3

  7. Edexcel · Chemistry · 5 Separate chemistry 1

    5.1Transition metals, alloys and corrosion

    Electroplating coats an object with a thin layer of another metal, using electrolysis. It is done for two reasons, and a question usually wants both: to improve the appearance of the object, and to protect

    in Electroplating

    Study notes1Multiple choice1

  8. Edexcel · Chemistry · 9 Separate chemistry 2

    9.5Nanoparticles and materials

    Used in 2 questions on this sub-topic.

    Study notesMultiple choice2

  9. AQA · Chemistry · 4.4 Chemical changes

    4.4.2Reactions of acids

    Used in 1 question on this sub-topic.

    Study notesMultiple choice1

  10. AQA · Chemistry · 4.8 Chemical analysis

    4.8.3Identification of ions by chemical and spectroscopic means

    Used in 1 question on this sub-topic.

    Study notesMultiple choice1

  11. AQA · Physics · 4.1 Energy

    4.1.3National and global energy resources

    Used in 1 question on this sub-topic.

    Study notesMultiple choice1

  12. Edexcel · Chemistry · 8 Fuels and Earth science

    8.3Fuels and cracking

    Used in 1 question on this sub-topic.

    Study notesMultiple choice1

  13. Edexcel · Chemistry · 9 Separate chemistry 2

    9.1Tests for ions and instrumental analysis

    Used in 1 question on this sub-topic.

    Study notesMultiple choice1

  14. Edexcel · Physics · 3 Conservation of energy

    3.3Energy resources

    Used in 1 question on this sub-topic.

    Study notesMultiple choice1