$A$ solution of a substance $X$ is used for whitewashing.
$(i)$ Name the substance $X$ and write its formula.
$(ii)$ Write the reaction of the substance $X$ named in $(i)$ above with water.
$(i)$ Name the substance $X$ and write its formula.
$(ii)$ Write the reaction of the substance $X$ named in $(i)$ above with water.
(N/A) $(i)$ The substance $X$ is calcium oxide. Its chemical formula is $CaO$.
$(ii)$ Calcium oxide reacts vigorously with water to form calcium hydroxide (slaked lime).
The chemical reaction is:
$CaO_{(s)} + H_2O_{(l)} \to Ca(OH)_{2(aq)}$
Where $CaO$ is Calcium oxide (Quick lime) and $Ca(OH)_2$ is Calcium hydroxide (Slaked lime).
$(ii)$ Calcium oxide reacts vigorously with water to form calcium hydroxide (slaked lime).
The chemical reaction is:
$CaO_{(s)} + H_2O_{(l)} \to Ca(OH)_{2(aq)}$
Where $CaO$ is Calcium oxide (Quick lime) and $Ca(OH)_2$ is Calcium hydroxide (Slaked lime).
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