
Call 1800-123-2003
"Smartindia is the best online tool for school students." Ms Deepa Chandran, Principal Anchal
"Smartindia is one of the best supplementary education tool for school students." Ms Pooja, Principal
name the material formed on copper when it is exposed to air |
The outer green layer, formed after the oxidation of copper, is known as patina.copper metal reacts with oxygen, resulting in the formation of copper oxide, which appears green in color. |