Graduate Pharmacy Aptitude Test (GPAT) 2011 Solved Paper

Hydrogen peroxide solution (20 volumes) is used topically as a mild antiseptic. It is mainly used for cleaning of wounds which could be due to some of the following actions of hydrogen peroxide.
[P] Astringent action
[Q] Nascent hydrogen releasing action
[R] Oxidizing action
[S] Mechanical cleansing action Choose the correct statements for the use of hydrogen peroxide as cleaning agent for wounds