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Classify the following oxides as neutral...

Classify the following oxides as neutral, acidic, basic or amphoteric.
`CO, B_2_3 , SiO_2, CO_2, Al_2O_3, PbO_2, Tl_2O_3`

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a) Co is neutral oxide. b) `B_(2)O_(3)` is acidic oxide. C)`SiO_(2)` is acidic oxide.
d)`CO_(2)` is acidic oxide (e )`Al_(2)O_(3)` is amphoteric oxide .f) `PbO_(2)` is amphoteric oxide.
g)`Tl_(2)O_(3)` is basic oxide.
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