The nature of oxides $V_{2}O_{3}$ and $CrO$ is indexed as '$X$' and '$Y$' type respectively. The correct set of $X$ and $Y$ is:
- A$X=$ basic,$Y=$ amphoteric
- B$X=$ amphoteric,$Y=$ basic
- C$X=$ acidic,$Y=$ acidic
- D$X=$ basic,$Y=$ basic
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