Question

Why is gold alloyed with copper or silver for the purpose of making ornaments

Answer 1

Gold is highly malleable metal, actually the best malleable metal. Ornaments can't be made from pure gold because it is very soft and can't maintain its rigidity.
In order to maintain its rigidity,gold has to be alloyed with copper or silver. And this also gives a lustrous yellow appearance to the ornaments
Hope This Helps You!

Answer 2

Answer:

Since gold is highly malleable even after giving a permanent shape it can change its shape so in order to make it rigid copper or silver is alloyed with it