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Understanding Electrolysis: A Closer Look at Splitting Substances with Electricity

Delve into Additional Science Topic 6.6.1 on Electrolysis to understand how ionic substances are split using electricity, including the changes at the electrodes, electrolysing brine, and purifying copper. Learn about non-metal and metal ions and the electrolysis of molten and dissolved substances. Discover how water contains H+ and O2- ions and how the less reactive element is discharged at the electrode.

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Understanding Electrolysis: A Closer Look at Splitting Substances with Electricity

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Presentation Transcript

  1. All you need to know about Additional Science Topic 6

  2. 6.1 Electrolysis Electrolysis: splitting up using electricity Ionic substance - molten (l) - dissolved (aq) Non-metal ion Metal ion

  3. 6.2 Changes at the electrodes Solutions Water contains the ions: H+ and O2- The less reactive element will be given off at electrode

  4. 6.3 Electrolysing brine

  5. 6.4 Purifying copper

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