Q.

Total number of amphoteric oxides among the following N2O5,Mn2O7,CaO,ZnO,Al2O3,N2O,Sb2O3,SnO2,SO2,CO______

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answer is 4.

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Detailed Solution

ZnO,Al2O3,Sb2O3,SnO2 amphoteric oxides
N2O5,Mn2O7,SO2 Acidic oxides
N2O,CO Neutral oxides
CaO Basic oxide

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