The question of whether water can form hydrogen peroxide should be answered by thermodynamics (see C&EN, June 13, 2022, page 3). If a reaction is possible (spontaneous), then the change in the Gibbs ...

One of the more dangerous medical myths I frequently see in the ER is the widespread belief by patients that copious amounts of hydrogen peroxide should be used to clean cuts and scrapes of any size.

Some chemical reactions change temperature, change color, produce a gas, or make a solid from two liquids. Try this reaction and see what it does! Pour 1 tablespoon of hydrogen peroxide into a cup.

Not doing this before cleaning your bathroom with hydrogen peroxide could pose a potential health hazard, resulting in irritation to your skin.