Question
Metal oxide + Dilute acid → SaIt + Water
✓
Answer
$\begin{aligned} & CaO _{( s )}+2 HCl _{(\text {(aq })} \longrightarrow \underline{ CaCl _{2 \text { (aq) }}}+ H _2 O _{(j)} \\ & MgO _{\text {(s) }}+2 HCl _{\text {(aq) }} \longrightarrow MgCl _{2( aq )}+ H _2 O _{\text {(n) }} \\ & ZnO _{( s )}+2 HCl _{( aq )} \longrightarrow ZnCl _{2( aq )}+ H _2 O _{(j} \\ & Al _2 O _{3( s )}+6 HF _{(t)} \longrightarrow 2 AlF _{3( aq )}+3 H _2 O _{(t)} \\ & Fe _2 O _{3( s )}+6 HCl _{( qq )} \longrightarrow 2 FeCl _{3( aq )}+3 H _2 O _{( p )} \\ & \end{aligned}$
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