The correct statements among I to III regrading group 13 element oxides are,
(I) Boron trioxide is acidic.
(II) Oxides of aluminum and gallium are amphoteric.
(III) Oxides of indium and thallium are basic.
Held on 9 Apr 2019 · Verified 6 Jul 2026.
(I) and (III) only
(I) and (II) only
(I), (II) and (III)
(II) and (III) only
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