1.

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

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» C. Disinfectants harm the living tissues.


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