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A metal 'X' acquires a green colour coat...

A metal 'X' acquires a green colour coating on its surface on exposure to air.
(i) Identify the metal 'X' and name the process responsible for this change.
(iii) List two important methods to prevent the process.

Text Solution

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(i) The metal 'X' is copper. The process responsible for deposit of green coating is known as corrosion.
(ii) `underset(("Present in air"))ubrace(2Cu+H_(2)O+CO_(2)+O_(2))rarrunderset("Basic copper carbonate")(Cu(OH)_(2)CuCO_(3))`
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