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

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Solution

The dullness of the gold and silver ornaments over a period of continuous use is due to corrosion. When the metals are continuously exposed to air or moisture, their surfaces react with air and water, thus forming their respective salts (nitrates or sulphides). Therefore, the metal loses its lustre.

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Similar questions

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

Why gold and silver are used to make ornaments?

Assertion:- An alloy of gold with copper or silver is used to make ornaments.

Reason:- Pure gold is soft due to which it cannot be not used to make ornaments.

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