Question

Gold, silver, and platinum are expensive metals. Yet these are preferred over cheaper metals like iron a
copper in the making of jewellery, Why?​

Answer 1

Answer:

They are expensive but preferred by many people for making jewellery  because they are lustrous.They remain shiny for many days.

Answer 2

Answer:

though they are costliest of all , the goldsmith who prepare theses ornament needs to make them , so they used these metals for making strong

Explanation:

iron an copper are metals which mainly used in making 22 carat gold. This is reason for adding iron and copper in costly metals

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