Consider the following oxides
$CaO,A{l}_2{O}_3,C{l}_2{O}_7,A{s}_2{O}_3,C{O}_2$ and $N_{2}O$
The acidic oxides are

Q. (a) What are amphoteric oxides? Give two examples of amphoteric oxides.
(b) Choose the acidic oxides, basic oxides and neutral oxides from the following:
Na₂O; CO₂; CO; SO₂; MgO; N₂O; H₂O.
(c) Which of the following are amphoteric oxides:
MgO, ZnO, P₂O₃, Al₂O₃, NO₂

Q.

Identify the following oxides with neutral, acidic, basic and amphoteric oxides.

$i\left){\mathrm{Al}}_2{O}_3\mathrm{ii}\right)\mathrm{MgO}\mathrm{iii}\left){\mathrm{SO}}_2\mathrm{iv}\right)\mathrm{CO}v\left){\mathrm{Na}}_{2}O\mathrm{vi}\right)N_{2}O\mathrm{vii}\left)\mathrm{ZnO}\mathrm{viii}\right){\mathrm{CO}}_2\mathrm{ix}\left){\mathrm{SO}}_{3}x\right)\mathrm{CaO}.$

Q. How many of the following oxides are neutral oxides? $C{l}_2{O}_7,S{O}_3,SrO,H_{2}O,CO,N_2{O}_5,N_{2}O,P_2{O}_5\text{and}NO$

Q. Match the following, regarding nature of the oxides.

Column -I	Column-II
a. $N_{2}O$	(i) Basic
b. BaO	(ii) Amphoteric
c. $A{s}_2{O}_3$	(iii) Acidic
d. $C{l}_2{O}_7$	(iv) Neutral

Q. From the given compounds, how many total number of compounds are acidic in nature. $CaO,S{O}_2,S{O}_3,F{e}_2{O}_3,C{l}_2{O}_7,C{O}_2,N_{2}O$