A metal X acquires a green colour coating on its surface on exposure to air.1) identify the metal X and name process responsible for this change. 2) name and write chemical formula of the green coating fromed on the metal. 3) list two important methods to prevent the process
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X-copper
the process responsible is knowns as corrosion of copper or tarnishing of copper
2)copper carbonate CuCO3.Cu(OH)2
3) we can prevent it by not exposing it directly into air and moisture
we can also prevent it by rubbing lemon juice on copper
the process responsible is knowns as corrosion of copper or tarnishing of copper
2)copper carbonate CuCO3.Cu(OH)2
3) we can prevent it by not exposing it directly into air and moisture
we can also prevent it by rubbing lemon juice on copper
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