What is a salt? Give the names and formulae of any two salts. Also name the acids and bases from which these salts may be obtained.
A salt is a compound formed from an acid by the replacement of the hydrogen in the acid by a metal. Example: Sodium chloride - NaCl; It is obtained from hydrochloric acid and sodium metal. Ammonium chloride – NH4CI; It is obtained from ammonia and hydrochloric acid.