Why is the tarnishing of a coin an example of a chemical change?

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asked Jan 5, 2024 9.4k views

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Why is the tarnishing of a coin an example of a chemical change?

Chemistry
college

Ealdent asked

by Ealdent

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Answer:

Because onced tarnished it can't be reversible, its also changes in mass and a new substance is formed

Plam answered Jan 9, 2024

by Plam

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