Some articles made of silver, copper and iron get coloured coating over them when they are exposed to air. Identify the coloured and chemical name of the substance of coating in each case
Answers
Answered by
2
iron-red coating of ferrous oxide appears
copper-copper oxide of brown black colour
silver-black layer of silver sulphide
Answered by
3
iron - red colour coating
ferric oxide
copper- green coating
copper carbonate
silver black coating
silver sulphide
Similar questions