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Chemistry
The d-Block and f-Block Elements
CBSE
Class 12
Chemistry
Class 12 - Chemistry
The d-Block and f-Block Elements
MCQ
Q&A
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1.
Which of the following is amphoteric oxide?
Mn
2
O
7
, CrO
3
, Cr
2
O
3
, CrO, V
2
O
5
, V
2
O
4
a.
V2O5, Cr2O3
b.
Mn2O7, CrO3
c.
CrO, V2O5
d.
V2O5, V2O4
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