**Mixtures** of metals where the metals are not chemically combined
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What are the copper alloys?
Bronze and brass
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What is bronze?
An alloy made of copper and tin, and is harder than copper and is used to make ornaments and medals
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What is brass?
An alloy which contains 66% copper and 34% zinc, used for decorative and corrosion resistance and is used for low friction ornamental purposes such as **plumbing** and **carpentry** fittings