(i) Cationic detergents : They are quaternary
ammonium salts of amines with acetates, chlorides or bromides as anions and the cationic part possess a long hydrocarbon chain, and a positive charge on nitrogen atom. Therefore they are called cationic detergents.
Example: Cetyltrimethyl ammonium bromide
(ii) Food preservatives : They are used to prevent spoilage of food due to microbial growth.
Example: Table salt, vegetable oils, sodium benzoate, etc.
(iii) Analgesics: Analgesics reduce or abolish pain without causing impairment of consciousness, mental confusion, in coordination or paralysis or some other disturbance of nervous system.
They are of two types:
(a) Non-narcotic analgesics
Example: Aspirin
(b) Narcotic analgesics
Example: Morphine
