Question

When copper vessels are exposed to moist air for a long time, a green coating is formed. Which are the constituents of the coating?
(i) Copper hydroxide
(ii) Copper carbonate
(iii) Copper oxide

• A. Only (i) and (ii)
• B. Only (ii) and (iii)
• C. Only (i) and (iii)
• D. Only (ii)

Answer 1

The correct option is A

Only (i) and (ii)

Copper hydroxide and Copper carbonate is formed when copper reacts with moist air.