Classify ${\text{Na}}_{2}O$, ${\text{Al}}_2{\text{O}}_3$ and ${\text{SO}}_3$ as acidic, basic or amphoteric oxide. [3 MARKS]

Q. Classify the following oxides into acidic, basic and amphoteric.
$CaO$, $MgO$, $C{O}_2$, $S{O}_3$, $N{a}_{2}O$, $ZnO$, $A{l}_2{O}_3$, $F{e}_2{O}_3$

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. (a) Classify following oxides as neutral, acidic, basic or amphoteric:
$CO,B_2{O}_3,Si{O}_2,C{O}_2,A{l}_2{O}_3,Pb{O}_2,T{l}_2{O}_3$
(b) Write suitable chemical equations to show their nature.

Q. Select from the following list: [4 MARKS]
$F{e}_2{O}_3,NO,S{O}_3,PbO,M{n}_2{O}_7$
(a) Basic oxide ......
(b) Amphoteric oxide ......
(c) Acidic oxide ......
(d) Neutral oxide .....

Q.