Define the following terms with a suitable example in each :
(i) Tranquilizers (ii) Anionic detergent
(i) Tranquilizers are chemical compounds used for the treatment of stress, and mild or even severe mental diseases. Example : Equanil
(ii) Anionic detergents are sodium salts of sulphonated long chain alcohols or hydrocarbons. Example : Sodium Lauryl sulphate