Question

A) Chlorine
B) Sulphur
C) Phosphorus (D) Magnesium
When a copper vessel is exposed to moist air for long, it acquires a dull green coating. The
reaction can be represented as
2Cu+W+X+Y-
Cu(OH), + Z
W, X, Y and Z are respectively
A) N., CO., 0, and Cuo
C) H.O, CO., 0, and Cuco,
B) H,O, N,, CO,, and 0
D) H,0, Co, 0, and Cuo​

Answer 1

d) is the correct answer bro