Why do gold ornaments look new even after several years of use?

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Solution

Gold is a least reactive metal. It does not react with air, water, acids, alkalis and other gases in the environment. Due to this non-reactive nature, gold metal's shine lasts for years and gold ornaments look new even after several years of use.

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Why do gold ornaments look new even after several years of use?

Q. Why do ornaments of gold and silver look dull after using for some time?

Metals X and Y can be recovered from the anode mud left behind after the electrolytic refining of copper metal. The coins made of metal X look new even after several years of use but the coins made of metal Y lose their shine gradually and get blackened soon. When metal X is alloyed with a small amount of metal Y, It becomes hard and hence suitable for making ornaments. What are metals X and Y? Also, state the colour of metal X.

Why gold and silver are used to make ornaments?

Assertion:- Gold and platinum are used to make ornaments.

Reason:- Gold and platinum do not corrode easily.

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