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Oxides of boron family -
Acidity decreases and basicity increases down the group
General formula: M2O3
- wherein
Aluminium oxide is amphoteric
I.
is acidic oxide in nature .
II.
are amphoteric oxides.
III.
are basic oxides.
All statements are correct.
Option 1)
I and II only
Option 2)I , II and III
Option 3)I and III only
Option 4)II and III only