The equation shows that ammonium chloride (a white solid ... The white solid turns blue in the presence of water. A similar reversible reaction takes place between anhydrous cobalt(II) chloride ...

A white ring of solid ammonium chloride forms where the two gases meet inside the tube. If necessary, protect non-glass surfaces of an overhead projector with clear plastic. Dip one Q-tip into ...

Ammonium ions ... such as ammonium chloride, ammonium nitrate and ammonium sulfate – can be identified by heating a solution of the ions with sodium hydroxide. This reaction produces ammonia ...