Question

14. A metal "X" acquires a green colour coating on its surface on exposure to air. a. Identify the metal X and name the process responsible for this change.
b. Give the name and formula of the green coating formed on the metal.

Answer 1

Answer:

X is copper

Explanation:

the process of corrosion change its color to green

2Ag + O2 = Ag2O.

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