Hydrogen peroxide (H2O2) is an oxidizer commonly used as a bleach. It is the simplest peroxide
(a compound with an oxygen-oxygen single bond). Hydrogen peroxide is a clear liquid, slightly more
viscous than water, that appears colorless in dilute solution. It is used as a disinfectant, antiseptic, oxidizer, and in rocketry as a propellant.
Hydrogen peroxide is naturally produced in organisms as a by-product of oxidative metabolism.
Nearly all living things possess enzymes known as peroxidases, which harmlessly and catalytically
decompose low concentrations of hydrogen peroxide to water and oxygen.
Whereas, the yeast acts as a catalyst and thus when it comes into contact with hydrogen peroxide, there would be a reaction.
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