Subject :Sam Class : Sample
When Cu is exposed to moist air for a long time, which of the following is formed?
(A) Cu(OH)2
(B) CuCO3
(C) Both A and B
(D) Cu2O
mn
When Cu is exposed to moist air for a long time, which of the following is formed?
(A) Cu(OH)2
(B) CuCO3
(C) Both A and B
(D) Cu2O
mn