Question

A greenish coating develops on copper utensils due to formation of
1 point
CuCO3
Cu(OH)2
Cu
CuO

Answer 1

Answer:

edit: the earlier answer given by me was wrong ,

copper first oxidise and react with CO2 in presence of some moisture , thuse a mixture of CuCO3 and Cu(OH)2 is the greenish coating developed on copper utensils .

hope this helps you

stay happy and funny :D

Answer 2

Answer:

Copper reacts with moist CO2,in the air,to form the green coloured-"PATINA". Patina is an outer layer of copper oxide, which appears green or bluish-green in color. Hope that this helps you!