HCl (aq) + NH₄OH (l) → NH₄Cl (aq) + H₂O (l)

This is an acid-base reaction (neutralization): HCl is an acid, NH₄OH is a base.

Reactants:

• HCl – Chlorane , Hydrogen chloride
  • Other names: Hydrochloric acid , M , Uriatic acid ... show moreHydronium chloride , Chlorhydric Acid , Hydrochloric acid gas , HCl , Anhydrous hydrogen chloride , Hydrochloric acid, anhydrous , Aqueous hydrogen chloride , [Note: Often used in an aqueous solution.] show less
  • Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]
• NH₄OH
  • Names: Ammonium hydroxide , Ammonia solution , Ammonium hydroxide (10%-35% solution) ... show moreAmmonia , Household ammonia , Ammonia water , Ammonia liquor , Aqueous ammonia , E527 , NH4OH , Ammonia aqueous , Aqua ammonia , Ammonium hydrate , Ammonia aqueous solution (10-35%) show less
  • Appearance: Colourless liquid ; Very volatile colourless ammonia solution in water with pungent odour

Products:

• NH₄Cl – Ammonium chloride
  • Other names: Sal ammoniac , Salmiac , Nushadir salt ... show moreSal armagnac , Salt armoniack , Salmiak , Ammonium chloride fume , Amchlor , Ammoneric , Ammonium muriate , Darammon , Sal ammonia , Salammonite , [NH4]Cl , NH4Cl , Ammoniumchlorid , Azanium chloride , Ammonium muriate fume , Sal ammoniac fume show less
  • Appearance: White solid, hygroscopic ; Odourless colourless-to-white hygroscopic solid in various forms ; Finely divided, odorless, white particulate dispersed in air.
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas