D-And F-Block Elements Ques 212
Question: Which of the following metal forms an amphoteric oxide
[CPMT 1976]
Options:
A) $ Ca $
B) $ Fe $
C) $ Cu $
D) $ Zn $
Show Answer
Answer:
Correct Answer: D
Solution:
$ ZnO+2HCl\to ZnCl_2+H_2O $
$ ZnO+2NaOH\to Na_2ZnO_2+H_2O $