Chemistry In Everyday Life Question 2

Question: 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.

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Answer:

Correct Answer: B

Solution:

[b] Dilute solutions of boric acid and $ H_2SO_4 $ are weak antiseptic.