Question

What Will Happen When Copper When Exposed To Air For A Long Time Acquires A Green Coat Why

Answer 1

Answer:

It is known as copper corrosion

Explanation:

When copper us exposed to air or moisture for a long time a green coating occurs this is because they react with oxygen as they are basic in nature. Similarly it occurs in iron called rust.

Answer 2

Answer:

Explanation:

WHEN A COPPER OBJECT REMAINS IN DAMP SIR FOR A CONSIDERABLE TIME,THEN COPPER REACTS SLOWLY WITH THE CARBON DIOXIDE AND WATER VAPOURS OF AIR TO FORM A GREEN COATING OF BASIC COPPER CARBONATE ON THE SURFACE OF THE OBJECT.