Science- Electrolysis 0.0 / 5 ? ChemistryElectrolysisGCSEAll boards Created by: elizabethmartin12Created on: 26-09-20 16:46 What is the definition of Electrolysis? The process by which ionic substances are broken down into simpler substances when an electric current pass through. 1 of 10 What is a positive electrode called? Anode 2 of 10 What is a negative electrode called? Cathode 3 of 10 What are negative ions called? Anions 4 of 10 What are positive ions called? Cations 5 of 10 What is oxidation? When negative ions move to the positive electrode and lose electrons. 6 of 10 What is reduction? When positive ions move to the negative electrode and gain electrons. 7 of 10 What ionic compounds must electrolytes be? Molten or aqueous solution. 8 of 10 Why won't ionic compounds conduct electricity if they are solids? The ions are not free to move. 9 of 10 Why do you need electrodes? To connect the external circuit to the electrolyte. 10 of 10
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