Oxides of elements - class-XII

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Question 1 of 93

Which of the following are basic oxides?
$Mn _2O _7$ ,$V _2O _3$, $V _2O _5$, $Cr _2O _3, CrO$

Select Your Answer:

$Mn _2O _7$ and $V _2O _3$

$V _2O _3$ and $CrO$

$CrO$ and $Cr _2O _3$

$V _2O _5$ and $V _2O _3$

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