Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Write a balanced molecular equation for the laboratory preparation of ammonia from ammonium chloride.
(1 mark)

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> When ammonium chloride is heated in presence of calcium hydroxide it produces ammonia.

$2{\mathrm{NH}}_4\mathrm{Cl}\left(s\right)+\mathrm{Ca}{\left(\mathrm{OH}\right)}_2\left(s\right)\to {\mathrm{CaCl}}_2\left(s\right)+2{\mathrm{NH}}_3\left(g\right)+2H_{2}O\left(g\right)$
(1 mark)