3. Some statements are given regarding nature of oxides
i) In second period, nitrogen form strongest acidic oxide
ii) In third period, sodium forms strongest basic oxide
iii) Oxides of metalloids are generally amphoteric in nature
a) I and II are correct
b) II and III are correct
c) I and III are correct
d) I, II and III arę correct
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Answer:
d
Explanation:
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