Question

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. Name and write chemical formula of the green coating found on the metal



c. List two important methods to prevent the process

Answer 1

Answer:

Explanation:

Hello mate,

Here is your answer

a) Due to oxidation, the copper becomes green in exposure of air and it polished according to the color to prevent the oxidation.

b) Cu2(OH)2CO3 - basic copper carbonate

c) Alloying, galvanisation

HOPE THIS HELPS UU :)

Answer 2

Explanation:

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. Name and write chemical formula of the green coating found on the metal

c. List two important methods to prevent the process