(i) $ GeO_2 $ - Acidic
(ii) $ PbO_2 $ - Amphoteric
(iii) CO - Neutral
(iv) $ SiO_2 $ - Amphoteric
A) (i) and (iv)
B) (iv) only
C) (ii) only
D) (iii) only
Correct Answer: B
$ SiO_2 $ is acidic oxide.
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