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Acids, Bases and Salts — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceAcids, Bases and Salts2 Marks
Question
When calcium oxide reacts with dilute hydrochloric acid.
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Answer

When calcium oxide reacts with dilute hydrochloric acid, it forms calcium chloride and water.
$
\begin{array}{lll}
CaO _{( s )}+2 HCl _{( aq )} \longrightarrow & CaCl _{2( aq )} & + H _2 O _{(l)} \\
\text { Calcium Hydrochloric } & \text { Calcium } \\
\text { oxide } \quad \text { acid } & \text { Water } \\
\text { chloride }
\end{array}
$

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