Oxidation and Reduction is used to decribe reactions when one of two things happen. Describe this...(hint, one is to do with oxygen, the other is electron)
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Card 21
Front
How can copper be purified?
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Card 22
Front
Why is it important to recycle metals such as copper?
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Card 23
Front
What is an alloy? And give some examples
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Card 24
Front
Describe how electrolysis purifies copper
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Card 25
Front
Purification of copper is known as a REDOX reaction. Why?
