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Short Answer Type Question: Metals have lustre (shine). Give reason why some metal articles become dull and loose their shine. - Science

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Short Note

Short Answer Type Question:

Metals have lustre (shine). Give the reason why some metal articles become dull and loose their shine.

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Solution

Metals when exposed to air react with moisture and gases present in it, thereby forming a dull layer of some other compound on it.

Concept: Classification of Material
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