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C2 6 Summary
Electrolysis
· Electrolysis involves splitting up
a substance using...
1. Electricity.
2. Heat.
AQA Science © Nelson Thornes Ltd 2006…read more

Slide 3

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C2 6 Summary
Electrolysis
· Ionic substances may be
electrolysed when they are ...
1. Molten.
2. In solution.
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Slide 4

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C2 6 Summary
Electrolysis
· In electrolysis, positive ions
move to the negative electrode,
called the ...
1. Cathode.
2. Anode.
AQA Science © Nelson Thornes Ltd 2006…read more

Slide 5

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C2 6 Summary
At the electrodes
· At the electrodes, negative ions
lose their extra electrons and
are ...
1. Oxidised.
2. Reduced.
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Slide 6

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C2 6 Summary
At the electrodes
· Reactions where reduction and
oxidation happen are called ...
1. Electrolysis reactions.
2. Redox reactions.
AQA Science © Nelson Thornes Ltd 2006…read more

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