Antiseptics and disinfectants either kill or prevant growth of microorganisms. Identify which of the following statement is not true

a. Disinfectants harm the living tissues

b. a 0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant

c. Chlorine and lodine are used as strong disinfectants

d. Dilute solutions of Boirs acid and Hydrogen Peroxide are strong antiseptics

Ans. d

Explanation : Dilute solution of boric acid is  a weak antiseptic.