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RRB Paramedical Staff Nurse Model Paper 7

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Question : 91

Total: 100

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

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

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