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Q.

Among the following oxides of p-block elements, number of oxides having amphoteric nature is
$C l_{2} O_{7}, C O, P b O_{2}, N_{2} O, N O, A l_{2} O_{3}, S i O_{2}, N_{2} O_{5}, S n O_{2}$

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a

Three

b

Two

c

Five

d

Four

answer is C.

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Detailed Solution

$P b O_{2}, S n O_{2}, A l_{2} O_{3}$

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