Formation of ammonium chloride fog

Formation of ammonium chloride fog

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Caption: Acid and alkali reaction. Acid and alkali vapours reacting to form a white fog of ammonium chloride particles in a glass U-bend. The cotton wool at one end of the tube is soaked in hydrochloric acid (HCl) whilst the other contains ammonium hydroxide (NH4OH). The vapours coming from the two solutions mix in the air along the tube to form water (H20) and solid particles ammonium chloride (NH4Cl). HCl + NH4OH ------> NH4Cl + H2O Ammonium chloride is used in electrical dry cells, as a fixer for dyes, and as a soldering and galvanising flux.

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Keywords: acid + alkali, acid neutralisation, acid/alkali reaction, ammonium, ammonium chloride, ammonium hydroxide, chemical, chemistry, chloride, glass u-bend, hydrochloric acid, neutralisation, reaction

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