Question:
Which pair of oxides is acidic in nature?
Correct Option: , 2
Solution:
$\left\{\begin{array}{l}\mathrm{CaO}, \mathrm{BaO}=\text { Basic Nature } \\ \mathrm{B}_{2} \mathrm{O}_{3}, \mathrm{SiO}_{2}=\text { Acidic Nature } \\ \mathrm{N}_{2} \mathrm{O}=\text { Neutral oxide }\end{array}\right.$