Which of the following options has only amphoteric oxides?

S n O_{2}, P b O, B_{2} O_{3}

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C r_{2} O_{3}, B e O, S n O_{2}

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P b O_{2}, Z n O, N O

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A l_{2} O_{3}, C r O, P b O

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Solution

The correct option is B $C r_{2} O_{3}, B e O, S n O_{2}$
Amphoteric oxides are those which can react with both acids as well as bases.
A) $B_{2} O_{3}$ is an acidic oxide.
B) All are amphoteric oxides.
C) $N O$ is a neutral oxide.
D) $C r O$ is a basic oxide.

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N i O, A l_{2} O_{3}, B_{2} O_{3}, P b O_{2}, Z n O, M g O

B_{2} O_{3}, A l_{2} O_{3}

Which of the following are amphoteric oxides?

$M n_{2} O_{7}, C r O_{3}, C r_{2} O_{3}, C r O, V_{2} O_{5}, V_{2} O_{4}$

M n_{2} O_{7}, C r O_{3}, C r_{2} O_{3}, C r O, V_{2} O_{5}, V_{2} O_{4}

B e (O H)_{2}, B e O, B a (O H)_{2}, S r (O H)_{2}

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