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Question

Which of the following options has only amphoteric oxides?

A
SnO2, PbO, B2O3
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B
Cr2O3, BeO, SnO2
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C
PbO2, ZnO, NO
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D
Al2O3, CrO, PbO
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Solution

The correct option is B Cr2O3, BeO, SnO2
Amphoteric oxides are those which can react with both acids as well as bases.
A) B2O3 is an acidic oxide.
B) All are amphoteric oxides.
C) NO is a neutral oxide.
D) CrO is a basic oxide.

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