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.
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.
$(i)$ The substance $'X'$ is calcium oxide. Its chemical formula is $CaO$.
$(ii)$ Calcium oxide reacts vigorously with water to form calcium hydroxide (slaked lime).
$\underset{\begin{smallmatrix}
Calcium\text{ }oxide \\
\left( Quick\text{ }lime \right)
\end{smallmatrix}}{\mathop{Ca{{O}_{(s)}}}}\,+\underset{Water~}{\mathop{{{H}_{2}}{{O}_{(l)}}}}\,\to \underset{\begin{smallmatrix}
~Calcium\text{ }hydroxide~ \\
\text{ }\left( Slaked\text{ }lime \right)
\end{smallmatrix}}{\mathop{Ca{{(OH)}_{2\left( aq \right)}}}}\,$
Similar Questions
What happens when dilute hydrochloric acid is added to iron fillings ? Tick the correct answer.
What happens when dilute hydrochloric acid is added to iron fillings ? Tick the correct answer.
Write the balanced equation for the following chemical reactions.
$(i)$ Hydrogen $+$ Chlorine $\to $ Hydrogen chloride
$(ii)$ Barium chloride $+$ Aluminium sulphate $\to $ Barium sulphate $+$ Aluminium chloride
$(iii)$ Sodium $+$ Water $\to $ Sodium hydroxide $+$ Hydrogen
Write the balanced equation for the following chemical reactions.
$(i)$ Hydrogen $+$ Chlorine $\to $ Hydrogen chloride
$(ii)$ Barium chloride $+$ Aluminium sulphate $\to $ Barium sulphate $+$ Aluminium chloride
$(iii)$ Sodium $+$ Water $\to $ Sodium hydroxide $+$ Hydrogen
Translate the following statements into chemical equations and then balance them.
$(a)$ Hydrogen gas combines with nitrogen to form ammonia.
$(b)$ Hydrogen sulphide gas burns in air to give water and sulpur dioxide.
$(c)$ Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
$(d)$ Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
Translate the following statements into chemical equations and then balance them.
$(a)$ Hydrogen gas combines with nitrogen to form ammonia.
$(b)$ Hydrogen sulphide gas burns in air to give water and sulpur dioxide.
$(c)$ Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
$(d)$ Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.
Give an example of a double displacement reaction other than the one given in image.
Give an example of a double displacement reaction other than the one given in image.
What does one mean by exothermic and endothermic reactions ? Give examples.
What does one mean by exothermic and endothermic reactions ? Give examples.