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19-10-2021
Chemistry

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Why do you think a copper penny looks bright and shiny, but the Statue of Liberty, also made of copper, does not?

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19-10-2021

Answer:

When the Statue was unveiled in 1886, it was a shiny brown color, like a penny. ... The reason the Statue of Liberty changed colors is that the outer surface is covered with hundreds of thin copper sheets. Copper reacts with the air to form a patina or verdigris.

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