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Sophia
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Sophia
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Sophia
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May 12, 2017
Elephant toothpaste
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bihelovic
catalysis
catalyst
chemistry
decomposition
demonstration
detergent
elephant
experiment
filip
foam
foaming
hydrogen
iodide
marijeta
peroxide
potassium
rate
reaction
savic
toothpaste
Elephant toothpaste
dreamboffin
Sophia
·
May 12, 2017
A pound of sodium metal in the river
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alkali metal
boom
chestfest
explosion
river
sodium
A pound of sodium metal in the river
