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Oxidation of charcoal with KNO3
Oxidation of charcoal with KNO3
Melting KNO3 it partially decomposes to O2 and KNO2. Preheated charcoal reacts vigorously with oxygen liberated. ... oxidation charcoal KNO3 potassium nitrate oxygen redox carbon combustion gunpowder chemistry demonstration experiment Filip Bihelovic Marijeta Savic [...]
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Universal indicator
Universal indicator
Universal indicator is a mixture of several indicators displaying a variety of colors over a wide pH range so it can be used to determine an approximate pH of the solution. ... universal indicator pH acid base neutralization chemistry experiment [...]
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Elephant toothpaste
Elephant toothpaste
Does an elephant need a toothpaste? ... elephant toothpaste potassium iodide hydrogen peroxide decomposition detergent foam foaming demonstration experiment chemistry catalyst catalysis reaction rate Marijeta Savic Filip Bihelovic
From:
ChemToddler
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Silver mirror
Silver mirror
It is easy to make a silver mirror. ... silver mirror silvering Ag glucose sugar test reduction organic aldehyde acid demonstration experiment chemistry Marijeta Savic Filip Bihelovic
From:
ChemToddler
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Halloween clock reaction
Halloween clock reaction
Halloween clock reaction is a modification of classic Landolt clock reaction. ... Landolt red iodine starch clock reaction chemical kinetic Halloween mercury HgCl2 demonstration experiment chemistry concentration rate Marijeta Savic Filip Bihelovic
From: [...]
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Pharaoh's snake
Pharaoh's snake
Mercury(II) thiocyanate decomposition is initiated by heating. ... mercury(II) thiocyanate mercury rhodanide Hg(SCN)2 pharaoh snake pharaoh's serpent decomposition experiment chemistry demonstration Marijeta Savic Filip Bihelovic
From:
ChemToddler
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PVA slime
PVA slime
PVA slime is formed in the reaction between poly(vinyl alcohol) and borax. ... PVA slime polyvinyl alcohol poly(vinyl alcohol) poly(vinylalcohol) chemistry experiment boric acid hydrogen bonds demonstration Filip Bihelovic Marijeta Savic
From:
ChemToddler [...]
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Orange tornado
Orange tornado
Mercury(II) iodide dissolves in excess of iodide ions. ... mercury chloride potassium iodide HgCl2 KI orange tornado precipitation precipitate HgI2 complex complexation chemistry experiment demonstration Marijeta Savic Filip Bihelovic
From:
ChemToddler
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Sulfur in pure oxygen
Sulfur in pure oxygen
Sulfur combusts in pure oxygen with a brilliant blue flame producing sulfur(IV) oxide. ... sulfur pure oxygen gas blue flame sulphur sulfur(IV) sulphur(IV) oxide dioxide combustion experiment demonstration chemistry SO2 acid rain rains Marijeta Savic Filip Bihelovic [...]
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Chemical volcano
Chemical volcano
Ammonium dichromate decomposes when heated yielding green chromium(III) oxide, nitrogen and water vapor. ... ammonium dichromate chemical volcano chemistry experiment decomposition reaction nitrogen chromium(III) oxide demonstration Marijeta Savic Filip Bihelovic
From:
ChemToddler [...]
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