Name 2 metals which Get tarnished. Why does this happen?

1.	Name 2 metals which Get tarnished. Why does this happen?
Answer» thank you ? A metal tarnishes due to oxidation. It forms an oxide layer on the metal.eg: copper, when new it is shiny, but after a time outside, it goes green. This is due to oxidation and is called a tarnish.Another example can be Iron

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