Define the following terms with a suitable example of each:
(a) Antibiotics
(b) Antiseptics
(c) Anionic detergents.
(a) Antibiotics : Antibacterial agents which in low concentration either kill or inhibit the growth of microorganisms by intervening in their metabolic processes e.g. Chloramphenicol, Penicillin
(b) Antiseptics: Antibacterial agents which prevent the growth of micro-organisms and may even kill them. e.g. Dettol, Bithional
(c) Anionic detergents: Synthetic detergents in which a large part of the molecules are anions and it is the anionic part which is involved in their cleansing action e.g. Sodium lauryl sulphate.