CUSAT 2021 BTech Solved Paper Shift 2

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Question : 95 of 250

Marks: +1, -0

The set containing only amphoteric oxides is

ZnO,K2O and SO3
SnO2,Al2O3 and ZnO
ZnO,P2O5 and Cl2O7
PbO2,SnO2 and SO3

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