Define the following terms with a suitable example in each:
(i) Broad-spectrum antibiotics.
(ii) Disinfectants
(iii) Cationic detergents.

Explanation

(i) Broad- spectrum antibiotics : See Q. 20 (i), Paper-2017, Delhi Board, Set-I, [Page 401].
(ii) Disinfectants: See Q. 27 (ii), Paper-2012, Delhi Board, Set-III, [Page 158].
(iii) Cationic detergents : See Q 27, Paper-2010, Delhi Board, Set-III, [Page 81]