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

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Pawan Prajapati · Answer

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

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

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

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

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

1 Answers

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