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B
Cr2O3,CrO,SnO,PbO
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C
NO,B2O3,PbO,SnO2
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D
ZnO,Al2O3,PbO,PbO2
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Solution
The correct options are ACr2O3,BeO,SnO,SnO2 DZnO,Al2O3,PbO,PbO2 Amphoteric oxides are ZnO,Al2O3,PbO,PbO2,BeO,SnO,SnO2,Cr2O3 NO is a neutral oxide. CrO is a basic oxide. B2O3 is an acidic oxide