Chemistry - Complete s-block Question with Solution | TestHub

Ammonia is dried over quick lime $(\mathrm{CaO})$. It cannot be dried over conc. ${\mathrm{H}}_2{\mathrm{SO}}_4,{\mathrm{P}}_2{\mathrm{O}}_5$ and ${\mathrm{CaCl}}_2$ because it reacts with these compounds.