Question

gold jewellery does not become dull why?

Answer 1

gold jewelery does not become dull because it does not react with air

Answer 2

Answer:

Gold is not only the first metal utilized by humans but it is also a special element,known and cherished by every body.Gold available in free state due to its less reactive towards oxygen and environment.So it is not react with oxygen and not rusted.It is probably covered most for its noble character,gold coins and jewellery do not tarnish,even after long exposure to extremely aggressive conditions,and the metal is resistant to enzymatic attack in biological systems.

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