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P Block Elements question

2019 · 9 Apr · Shift 2 · Q12
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P Block Elements question

2019 · 9 Apr · Shift 2 · Q12

JEE MainChemistryP Block ElementsMCQ+4 / −1
The correct statements among I to III regarding group 13 element oxides are, (I) Boron trioxide is acidic. (II) Oxides of aluminium and gallium are amphoteric. (III) Oxides of indium and thalliumare basic.
  1. A
    (II) and (III) only
  2. B
    (I), (II) and (III)
  3. C
    (I) and (III) only
  4. D
    (I) and (II) only
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