A copper vessel left in moist air gets a green coating. This coating is mainly
A. copper sulphate
B. copper oxide (black)
C. copper carbonate
D. copper chloride
1 answer
Best answer
Answer: C. copper carbonate
Copper reacts with moist \(\text{CO}_2\) in air to form a green layer of copper carbonate. This is corrosion of copper.
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
Report
Was this answer helpful?
Thanks for the feedback.
Sign up free to save answers and ask your own doubts
Your answer
Log in or create a free account to answer this question.