Science, asked by 38543, 11 months ago

Why do metal objects lose their
lustre after a while?

Answers

Answered by sonal1305
7

Answer:

The metals lose their shine on brightness on keeping in air for a long time due to formation of a thin layer of oxide, carbonate or sulphide on their surface by the slow action of various gases present in air.

Answered by palakkanav
1

Answer:

The metals lose their shine on brightness on keeping in air for a long time due to formation of a thin layer of oxide, carbonate or sulphide on theirsurface by the slow action of various gases present in air.

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