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Q.

Among the following oxides of p-block elements, number of oxides having amphoteric nature is 

Cl2O7,CO,PbO2,N2O,NO,Al2O3,SiO2,N2O5,SnO2

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a

Four

b

Five

c

Three

d

Two

answer is C.

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Detailed Solution

PbO2,SnO2,Al2O3

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