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Which of the following statements is not true regarding antiseptics and disinfectants?

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

Solution & Step-by-step Explanation

Statement (B) is incorrect because Iodine is a powerful antiseptic (e.g., Tincture of Iodine), not primarily a disinfectant. Chlorine, however, is a common disinfectant.

Practice this question

Try it yourself before checking the explanation above.

Which of the following statements is not true regarding antiseptics and disinfectants?
A
A 0.2% solution of phenol is an antiseptic while 1% solution is a disinfectant.
B
Chlorine and Iodine are used as strong disinfectants.
C
Dilute solutions of boric acid and hydrogen peroxide are strong antiseptics.
D
Disinfectants harm living tissues.

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