2 NH₄OH (l) + H₂SO₄ (aq) → (NH₄)₂SO₄ (aq) + 2 H₂O (l)

This is an acid-base reaction (neutralization): NH₄OH is a base, H₂SO₄ is an acid.

Reactants:

• 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
• H₂SO₄ – Sulfuric acid
  • Other names: Oil of vitriol , Sulfuric acid, concentrated (> 51% and < 100%) , H2SO4 ... show moreSulphuric acid , Battery acid , Hydrogen sulfate , [SO2(OH)2] , [S(OH)2O2] , Sulfuric acid (aqueous) show less
  • Appearance: Clear, colorless liquid ; Odourless colourless oily hygroscopic liquid ; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.]

Products:

• (NH₄)₂SO₄ – Ammonium tetraoxosulfate (VI)
  • Other names: Ammonium sulphate , Ammonium sulfate , Ammonium sulfate (2:1) ... show moreDiammonium sulfate , Sulfuric acid diammonium salt , Mascagnite , Actamaster , Dolamin , (NH4)2SO4 , Sulfuric acid, diammonium salt , Sulfuric acid ammonium salt (1:2) show less
  • Appearance: Fine white hygroscopic granules or crystals.
• 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