Chemistry in Everyday Life - Result Question 8
####8. Antiseptics and disinfectants either kill or prevent growth of microorganisms. Identify which of the following statements is not true:
[NEET 2013]
(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.
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Solution:
- (b) Dilute solutions of boric acid and hydrogen peroxide are weak antiseptics.
Antiseptics are used for humans, pets, etc. but disinfectants are used to kill bacteria etc. on floor, wall surfaces.
