How many of the following oxides are acidic. PbO,SnO,CO,CO_(2),SiO_(2)

1.	How many of the following oxides are acidic. PbO,SnO,CO,CO_(2),SiO_(2),PbO_(2),SnO_(2),GeO
Answer» SOLUTION :`GeO_(2),CO_(2),SiO_(2)` are ACIDIC

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