9 Questions around this concept.
Match the following :
Oxide Nature
(a) CO (i) Basic
(b) BaO (ii) Neutral
(c) $\mathrm{Al}_2 \mathrm{O}_3$ (iii) Acidic
(d) $\mathrm{Cl}_2 \mathrm{O}_7$ (iv) Amphoteric
Which of the following is correct option ?
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