Barium Hydroxide and Ammonium Chloride are both extremely corrosive, once combined and agitated they dissolve to create an endothermic reaction. This means the absorb the heat from the surroundings or get cold. The reaction can get cold enough to produce Icy condensation on the exterior of the beaker.
:) Hope this helps.
Brittaney
:) Hope this helps.
Brittaney
