Question

Explain why in moist air copper corrodes to produce a green layer on its surface

Answer 1

Because it reacts with carbon dioxide to form green colour copper carbonate.

Answer 2

Answer:

Copper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide.

The chemical reaction is

2Cu + H2O + CO2 + O2 → Cu(OH)2 + CuCO3

Explanation:

please mark me as brainliest answer