Question

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Answer 1

Answer:

hlo here is your answer.

Copper corrodes by oxidation and then combines with carbon dioxide to make copper carbonate, which gives it a greenish patina

When silver is exposed to sulfur-containing gases in the air, it discolours and then darkens as it reacts with the gas to form a surface layer of tarnish. This process is called tarnishing

Explanation:

it may help u.

plz mark as brainliest answer.

Answer 2

Explanation:

thank you NIKITA .......

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