An alloy is a mixture of 2 or more metals or nonmetals or a metal and a nonmetal. Alloys are made, in order to suit the desired properties, which other metals/nonmetals don't have. Alloys are made by mixing the metal/nonmetal powders or by mixing them in molten state, etc..
Bronze consists of Copper & Tin
Brass consists of Copper & Zinc.
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