Последние добавленные видео:
Peroxidy
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11 months ago
10364 11 months ago 3:44Hydrogen peroxide vs Germs under the Microscope
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3 years ago
2014236 3 years ago 21:27Hydrogen Peroxide: going all the way
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4 months ago
1653381 4 months ago 4:35Mix SALT and HYDROGEN PEROXIDE – The Jaw-Dropping Reaction You Have to See!
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3 years ago
438287 3 years ago 24:55Dissolve Gold With Hydrogen Peroxide SO2 Gas Precipitation
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3 years ago
1773439 3 years ago 4:029 Unexpected Benefits of Hydrogen Peroxide
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14 years ago
224342 14 years ago 4:14Decomposition of hydrogen peroxide