Question

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

Answer 1

Ammonia is easily made in the laboratory by heating an ammonium salt, such as ammonium chloride NH4Cl with a strong alkali, such as sodium hydroxide or calcium hydroxide.

${\text{2NH}}_4$$\text{Cl}$ + ${\text{Ca(OH)}}_2$ → ${\text{CaCl}}_2$ + ${\text{2NH}}_3$ +${\text{2H}}_2$$\text{O}$
[1 Mark]