Ammonia, NH 3, is an alkaline gas and so turns damp red litmus paper blue. Ammonium ions (NH 4 +) – found in ammonium compounds such as ammonium chloride, ammonium nitrate and ammonium sulfate ...
"You won't just find ammonium nitrate in the ground," explains Andrea Sella, professor of chemistry at University College London. That's because it's synthetic, made by reacting ammonia with ...
Method: Dip a glass rod in concentrated hydrochloric acid and put this in a sample of the gas. Result: If ammonia is present, a white ‘smoke’ of ammonium chloride is observed.
Complexes and preipitates of nickel (II) are formed by adding ammonium hydroxide, ethylenediamine ... Nickel salts are poisonous if ingested. Ammonia and ethylenediamine are caustic and irritating to ...