Antiseptics and disinfectants either kill or prevent growth of microorganism. Identify which of the following statements is not true `:`

Options

A. Chlorine and iodine are used as strong disinfectants
B. Dilute solutions of boric acid and hydrogen peroxide are strong antiseptics
C. Disinfectants harm the living tissues
D. A 0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant

Answer

B

Explanation

Boric acid in the form of dilute aqueous solutions is a mild antiseptic and is used as an eye lotion, mouthwash and skin lotion. It is also used as an ointment for wounds. Hydrogen peroxide is also used as a mild antiseptic under the name perhydrol for washing wounds, teeth and ears.