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in Chemistry by (25.8k points)
The option (s) with only amphoteric oxides is (are)
A. `Cr_(2)O_(3),BeO,SnO,SnO_(2)`
B. `Cr_(2)O_(3),CrO,SnO,PbO`
C. `NO, B_(2)O_(3),PbO,SnO_(2)`
D. `ZnO,Al_(2)O_(3),PvO,PbO_(2)`

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