D-And F-Block Elements Ques 177
Question: One of the constituent of german silver is
[IIT 1980; Kurukshetra CEE 1998; DCE 1999]
Options:
A) Ag
B) $ Cu $
C) $ Mg $
D) $ Al $
Show Answer
Answer:
Correct Answer: B
Solution:
German silver contain $ Cu=60,,Zn=20, $ $ Ni=20% $