can react to form ammonium chloride again. This slideshow shows a reversible reaction involving white anhydrous copper(II) sulfate and blue hydrated copper(II) sulfate. The equation for this is ...

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 ...

Number of allergic skin reactions at challenge 1 0/25 0/25 ... 2,3-dihydroxypropyl-trimethyl ammonium chloride; TEA-Quat = dialkyl ester of triethanol ammonium methyl sulfate.

Ammonium ions (NH 4 +) – found in ammonium compounds such as ammonium chloride, ammonium nitrate ... of the ions with sodium hydroxide. This reaction produces ammonia gas, as shown in the ...

Number of skin reactions to 2% concentration at 2-day scoring* 0/183 0/183 0/183 0/183 HEQ = di-(hardened tallow fatty acid) ester of 2,3-dihydroxypropyl-trimethyl ammonium chloride; TEA-Quat ...