Question

What is mixed in pure gold to make it strong enough to make ornaments?

Answer 1

Explanation:

copper is mixed with gold to make ornaments because pure 24 carart gold is soft and cannot be used to make ornaments...

Answer 2

Answer :

$\implies$Pure gold is very soft. Therefore, It cannot be used for making jewellery in its pure form. Hence,for making jewellery,it is often mixed with Silver or Copper to make it appropriately hard.

$\implies$The purity of Gold is Expressed in terms of Carats. The Carat Number gives the number of parts of gold present in 24 parts of mixture of gold with the other metals. For example,22 carats gold means that 22 parts of pure gold is present in 24 parts of mixture of gold with copper(or silver).