Two important methods to prevent the green coating on a metel on its surface when exposure to air
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copper
{cuco3.cu(oh)2}
by applying paints on it
or
by apply acid or grease
{cuco3.cu(oh)2}
by applying paints on it
or
by apply acid or grease
Answered by
0
green coating is found on copper it's known as verdigris,we can prevent this green coating by painting,oiling,greasing
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