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

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

  • Option 1) Disinfectants harm the living tissues.
  • Option 2)  0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant.
  • Option 3) Chlorine and Iodine are used as strong disinfectants.
  • Option 4) Dilute solutions of Boric acid and Hydrogen Peroxide are strong antiseptics.

 

 

Answers (1)

Statement 4 is wrong dilute solution of bore acid and hydrogen penoxide are strong antiseptics.

Antiseptic and disinfectants both either kill or prevent the growth of microorganisms. The main point of difference between these two is that the former (antiseptic) are used for living beings whereas disinfectants are not safe for living tissues.

A substance like phenol in its lower concentration (0.2%) behaves as antiseptic whereas in higher concentration (1%) as a disinfectant. 

Chlorine and iodine are strong disinfectants whereas dilute solutions of boric acid and hydrogen peroxide are mild antiseptic.

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