Question

13.
When corrosion of copper occurs, a
coloured layer appears on the surface of metal due to the formation of
Select an answer
A
Green, Basic Copper Carbonate
B
Blue, Basic Copper Bicarbonate
C С
Green, Basic Copper Bicarbonate
D
Blue, Basic Copper Carbonate​

Answer 1

Answer:

May it's helpful to you............

Answer 2

Answer:

Copper metal when exposed to air turns green in colour due to corrosion. When copper vessel is exposed to air in rainy season, the metal reacts with gases and moisture and atmospheric gases to form a mixture of copper carbonate and copper hydroxide. This gives a green colour to the surface of copper metal.