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German silver alloy contains:

Answer
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Hint: German silver is a type of an alloy. Although it has silver in its name but it does not contain silver even in a negligible ratio. Three elements are present in it.

Complete step-by-step answer:
German silver though has silver mentioned in its name but it contains 0% silver in it unless it is used to plate the German silver. Now you cannot put silver in a name unless it contains that metal. German silver is an alloy consisting of copper (Cu), zinc (Zn), nickel (Ni). But, sometimes it has trace amounts of lead and tin.

It is named silver due to its silverish lustrous appearance. German silver varies in composition in the percentage of three elements ranging from copper which is almost about (25−30)% whereas nickel is about (10−35)% and zinc is about (25−35)%. It is very useful due to its properties like its hardness and its high resistance to corrosion and high resistivity that’s why it is also used in heating coils. It was founded by German E.A. Geitner in the 19th century.
This alloy does not tarnish like silver therefore it is less expensive and secondly due to its high luster it is used in gift packaging.

Note: German silver, an alloy composed of copper zinc and nickel and sometimes have trace amounts of lead and tin. It has 0% silver in it though its name has silver in it. It appears like silver due to its silver white color. The term silver is now banned for alloys that do not contain that metal.