kenya43 kenya43
  • 19-11-2017
  • Chemistry
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What are the properties of coins?

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20countrygirl99
20countrygirl99 20countrygirl99
  • 20-11-2017
Brass, which is made by melting copper and zinc together, is harder, stronger, morecorrosion resistant and has an attractive gold colour. It still keeps its anti-bacterial properties, which makes it a great material for door knobs, handrails and plumbing fittings. Copper has been used to make coins for centuries.
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