Question

14. The articles made of silver, copper and iron get color coating over them when they are

exposed to air. Identify the color and chemical name of the substances of coating in each case.​

Answer 1

Answer:

Here is your answer!

Silver -black coating (Silver sulphide)

Copper-green coating (copper oxide)

iron-reddish brown (ferric oxide)

Explanation:

When metals are exposed to air then they get coloured coating over them and get converted to stable form like hydroxide, oxide, this process is called as corrosion. Here, we can see that silver gets a white coloured coating over it. And the chemical name of it is Silver Oxide.

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