22.Concentrated hydrogen peroxide solutions are explosively decomposed by traces of transition metal ions (such as Mn or Fe) by the following reaction: 2H2O2(aq) ïƒ 2H2O(l) + […]
Techniques to correct vision by cutting microscopic flaps in a cornea to alter its shape were developed by Jose Barraquer inBogotá, Colombia in the 1950s but […]