Mark the oxide which is amphoteric in character.
A. `CO_(2)`
B. `SiO_(2)`
C. `SnO_(2)`
D. CaO
A. `CO_(2)`
B. `SiO_(2)`
C. `SnO_(2)`
D. CaO
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Correct Answer – C
`CO_(2)` and `SiO_(2)` are acidic oxides (oxides of non-metals) CaO is a basic oxide (oxide of a metal )`SnO_(2)` is an amphoteric oxide (oxide of a metalloid).