Copper becomes green when exposed to moist air for a long period. This is due to:

Copper becomes green when exposed to moist air for longer period because of the formation of a layer of

Copper becomes green when exposed to moist air for longer period because of the formation of a layer of

Why NO become brown when exposed in air?

Explain why-(a) A green layeris formed on the surface of copper which is left exposed in moist air for a long period. (b) blue colour of the copper sulphate solution is discharged slowly when an iron rod is dipped in it. (c) Galvanised irono is not used as a fondstuff container.

When a copper vessel is exposed to moist air for a long time, it acquires a dull green coating on its surface. The material of this green coating is a mixture of

When a copper vessel is exposed to moist air for a long time, it acquires a dull green coating on its surface. The material of this green coating is a mixture of:

Why copper becomes green if left open in air ?

When a copper vessel is exposed to moist air for long, it acquires a dull green coating. The reaction can be represented as 2Cu+underset("moist air")ubrace(W+X+Y) to Cu(OH)_(2)+Z W,X,Y and Z respectively

The shining surface of some metals becomes dull when exposed to air for a long time.