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bi2o5 acidic or basic
bi2o3 acidic or basic
sb2o5 acidic or basic
v2o5 acidic or basic
p2o5 is acidic or basic
b2o3 acidic or basic
bi2o5 is more basic than n2o5
sio2 acidic or basic
beo acidic or basic
nature of sio2 acidic or basic
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