What is corrosion? Write the chemical formula and colour of the layer formed on iron, copper and silver due to corrosion.
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Answer:
Explanation:corrosion is the process of eating away of metal due to reaction between metal and water vapour or oxygen.
Iron- becomes brown in colour.
Copper-becomes green in colour.
Silver-becomes black in colour
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Explanation:
Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, or sulfide. It is the gradual destruction of materials by chemical and/or electrochemical reaction with their environment.
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