Q: Which one of the following is an amphoteric oxide?
(a)MgO
(b)P4O10
(c)Na2O
(d)Al2O3
Correct Answer: (d)
The correct answer is (c) 'Na2O'. This question from the General Studies domain tests knowledge of Miscellaneous.
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Q: Which one of the following is an amphoteric oxide?
Correct Answer: (d)
The correct answer is (c) 'Na2O'. This question from the General Studies domain tests knowledge of Miscellaneous.