číslo kritizovať džem hydrogen peroxide genie účtovníctva dub mierka
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Hydrogen peroxide is made up of water and oxygen - H2O2. In this experiment, the molecule is torn apart … | Cool science experiments, Genie in a bottle, Fun science
Genie in a Bottle - SSERC
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⏩SOLVED:A popular chemical demonstration is the "magic genie"… | Numerade