MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Ammonium chloride formation. Fume of ammonium chloride particles (white) forming as gases from concentrated ammonia solution (left) and concentrated hydrochloric acid (right) mingle and react. Ammonium chloride is a white solid, while hydrogen chloride and ammonia are colourless gases.
Model release not required. Property release not required.