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Metals and Non-metals — CHEMISTRY STD 7 — Question

ICSE BoardEnglish MediumSTD 7CHEMISTRYMetals and Non-metals1 Mark
Question
Give reasons
Gold is mixed with copper and nickel.
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Answer

Pure gold is a very soft metal. It cannot be moulded into ornaments so it is mixed with copper and nickel so that it becomes harder and bit cheaper also.

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