Question
Oxide of non-metal + base → salt + water
✓
Answer
$\begin{aligned} & CO _{2( g )}+2 NaOH _{\text {(aq) }} \longrightarrow Na _2 CO _{3( aq )}+ H _2 O _{(0)} \\ & CO _{2( l )}+2 KOH _{\text {(aq) }} \longrightarrow K _2 CO _{3( aq )}+ H _2 O _{( l )} \\ & SO _{3( gg )}+2 NaOH _{( aq )} \longrightarrow Na _2 SO _{4( aq )}+ H _2 O _{(l)}\end{aligned}$
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