Brass is a mixture of which two metals? -General Knowledge

Brass is a mixture of which two metals? -General Knowledge
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Answer :

Brass, alloy of copper and zinc, of historical and enduring importance because of its hardness and workability. The earliest brass, called calamine brass, dates to Neolithic times; it was probably made by reduction of mixtures of zinc ores and copper ores.
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What is the value of a 1797 1891 john Adams dollar brass coin worth?

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