Question

Among the following the total no.of amphoteric oxides CO, SnO, PbO, CO2, SiO2, GeO2, SnO2, PbO2 ____

Answer 1

Answer:

Explanation:

sno2,pbo

Answer 2

Among the following the total no.of amphoteric oxides :

Explanation:

• An amphoteric oxide is an oxide that can act either as an acid or as a base to create salt and water in a reaction.
• Ge and Sn are amphoteric as they came in middle of group.
• SiO2, GeO2, SnO2 are amphoteric oxides.