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In each question a blank or blanks are left. Fill in the blank(s) with relevant answer(s).
Give the nature of oxides i.e. acidic, basic neutral (or) amphoteric (Oxide - nature of oxide)<br>CO __________<br>$$\text{Al}_2\text{O}_3$$ __________<br>$$\text{SiO}_2$$ __________
Correct Answer: 0
PLACEHOLDER ANSWER - the answer is three words. CO reacts with neither acids nor bases, so it is neutral. $$\text{Al}_2\text{O}_3$$ dissolves in both acids and alkalis, so it is amphoteric. $$\text{SiO}_2$$ reacts with alkalis to form silicates, so it is acidic.
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