An element X on exposure to (RBSESolutions.com) moist air turns reddish-brown and a new compound Y is formed. The substance X and Y are
A. X = Fe, Y = Fe2O3
B. X = Ag, Y = Ag2S
C. X = Cu, Y = CuO
D. X = Al, Y = Al2O3
Answer:A
An element X on exposure to (RBSESolutions.com) moist air turns reddish-brown and a new compound Y is formed. The substance X and Y are
A. X = Fe, Y = Fe2O3 B. X = Ag, Y = Ag2S C. X = Cu, Y = CuO D. X = Al, Y = Al2O3