What are the physical properties of ammonia?Ammonia is a covalent compound with the following physical properties:Ammonia is very soluble in water, but it ionises partially in water to form a weak alkali. A 0.1 mol dm-3 ammonia solution has a pH of about 10.Ammonia being alkaline can undergo neutralisation with acids to form ammonium salts. Ammonia + Acid … [Read more...] about What are the physical properties of ammonia?