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# Bronze is an alloy of copper, zinc and tin.A.TrueB. False

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Hint:The alloy bronze contains primarily copper and tin but also mixed with some other metals like aluminium, manganese, nickel or zinc in order to increase its properties such as hardness, stiffness, etc.

An alloy is defined as the homogenous mixture of two or more metals, or a metal and a nonmetal. It can be easily prepared by melting of primary metal followed by dissolving of the other elements in it in definite proportions. Finally, it is then cooled to room temperature. For example iron is not generally used in its pure form because pure iron is soft and can be stretched easily when it becomes hot. So, in order to make iron articles strong and hard, it is mixed with a small amount of carbon of about $0.04\%$ . Similarly, when iron is mixed with chromium and nickel, the substance produced is hard and does not rust, and known as stainless steel. Thus, alloying of a metal is a very good method of improving the properties of a metal as properties of a metal can be changed if it is mixed with some other substance.