Chemistry, asked by akayi4576, 1 year ago

Some articles are made up of silver copper and iron get coloured coating over them when they are exposed to air identify the colour and chemical name of the substance of coating in each case

Answers

Answered by pratik1404
0
on the surface of silver you find black coating which is a silver sulphide on surface of copper you find a green coating known as basic copper carbonate and on the surface of iron you find rust which is hydrated iron oxide
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