Question

Question No. 33
h
Are the following oxides, how many of them are amphoteric oxides
a) B203 b) Algus
and)ZnO e) Ga_02
f)Sno2 g)Pbo, h)Be0 i)Cuo j)Fe203
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Answer 1

Answer:

f) sno2

g) pbo

h) Be0

I) Fe203

b) algus and Zn0