1.

Which of the following is amphotric oxide? Mn_(2)O_(7) CrO_(3) ,Cr_(2) O_(3) ,CrO , V_(2)O_(3) V_(2) O_(4)

Answer»

`V_(2) O_(5) ,Cr_(2) O_(3)`
`Mn_(2) O_(7) CrO_(3)`
`CRO, V_(2) O_(3)`
`V_(2) O_(5) V_(2) O_(4)`

ANSWER :a


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