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	<a href="http://www.chemicum.com/?video=1&lan=EN"> 1. Preparation and verification of oxygen</a><br>
	<a href="http://www.chemicum.com/?vid=2&lan=EN"> 2. Combustion of coal in melted potassium nitrate</a><br>
	<a href="http://www.chemicum.com/?vid=3&lan=EN"> 3. Combustion of sulphur in melted potassium nitrate</a><br>
	<a href="http://www.chemicum.com/?vid=4&lan=EN"> 4. Combustion of coal in air and oxygen</a><br>
	<a href="http://www.chemicum.com/?vid=5&lan=EN"> 5. Combustion of sulphur in air and oxygen</a><br>
	<a href="http://www.chemicum.com/?vid=6&lan=EN"> 6. Combustion of red phosphorus in air and oxygen</a><br>
	<a href="http://www.chemicum.com/?vid=7&lan=EN"> 7. Self-ignition of white phosphorus in air</a><br>
	<a href="http://www.chemicum.com/?vid=8&lan=EN"> 8. Electrolysis of water</a><br>
	<a href="http://www.chemicum.com/?vid=9&lan=EN"> 9. Changes in pH during water electrolysis</a><br>
	<a href="http://www.chemicum.com/?vid=10&lan=EN">10. Preparation and combustion of hydrogen</a><br>
	<a href="http://www.chemicum.com/?vid=11&lan=EN">11. Lightness of hydrogen</a><br>
	<a href="http://www.chemicum.com/?vid=12&lan=EN">12. Reduction of copper(II)oxide with hydrogen</a><br>
	<a href="http://www.chemicum.com/?vid=13&lan=EN">13. Carbon dioxide as heavier gas than air</a><br>
	<a href="http://www.chemicum.com/?vid=14&lan=EN">14. Preparation of CO2 from copper- hydroxidecarbonate</a><br>
	<a href="http://www.chemicum.com/?vid=15&lan=EN">15. Carbon dioxide as a fire-extinguisher</a><br>
	<a href="http://www.chemicum.com/?vid=16&lan=EN">16. Carbon dioxide in exhalation air</a><br>
	<a href="http://www.chemicum.com/?vid=17&lan=EN">17. Preparation of carbon dioxide from a vitamine pill</a><br>
	<a href="http://www.chemicum.com/?vid=18&lan=EN">18. Preparation of CO2 from lime scale and acetic acid</a><br>
	<a href="http://www.chemicum.com/?vid=19&lan=EN">19. Preparation of carbon dioxide from carbonated water</a><br>
	<a href="http://www.chemicum.com/?vid=20&lan=EN">20. Carbon dioxide reaction with alkali</a><br>
	<a href="http://www.chemicum.com/?vid=21&lan=EN">21. pH change in the dissolution of carbon dioxide</a><br>
	<a href="http://www.chemicum.com/?vid=22&lan=EN">22. Experiments with solid carbon dioxide</a><br>
	<a href="http://www.chemicum.com/?vid=23&lan=EN">23. Combustion of magnesium in carbon dioxide</a><br>
	<a href="http://www.chemicum.com/?vid=24&lan=EN">24. Nitrogen as a fire-extinguisher</a><br>
	<a href="http://www.chemicum.com/?vid=25&lan=EN">25. Preparation of ammonia and dissolution in water</a><br>
	<a href="http://www.chemicum.com/?video=26&lan=EN">25. pH change in the dissolution of ammonia</a><br>
	<a href="http://www.chemicum.com/?vid=27&lan=EN">27. Reaction between ammonia and hydrogen chloride</a><br>
	<a href="http://www.chemicum.com/?vid=28&lan=EN">28. Preparation and verification of chlorine</a><br>
	<a href="http://www.chemicum.com/?vid=29&lan=EN">29. Reaction of chlorine and iodide</a><br>
	<a href="http://www.chemicum.com/?vid=30&lan=EN">30. Photochemical reaction: chlorine and hydrogen</a><br>
	<a href="http://www.chemicum.com/?vid=31&lan=EN">31. Combustion of sodium in chlorine</a><br>
	<a href="http://www.chemicum.com/?vid=32&lan=EN">32. Reaction of chlorine and copper</a><br>
	<a href="http://www.chemicum.com/?vid=33&lan=EN">33. Combustion of antimony in chlorine</a><br>
	<a href="http://www.chemicum.com/?vid=34&lan=EN">34. Reaction of chlorine and iron</a><br>
	<a href="http://www.chemicum.com/?vid=35&lan=EN">35. Reaction of sodium and water</a><br>
	<a href="http://www.chemicum.com/?vid=36&lan=EN">36. Reaction of lithium and water</a><br>
	<a href="http://www.chemicum.com/?vid=37&lan=EN">37. Reaction of potassium and water</a><br>
	<a href="http://www.chemicum.com/?vid=38&lan=EN">38. Reaction of calcium and water</a><br>
	<a href="http://www.chemicum.com/?vid=39&lan=EN">39. Reaction of sodium and sulphur</a><br>
	<a href="http://www.chemicum.com/?vid=40&lan=EN">40. Burning of magnesium</a><br>
	<a href="http://www.chemicum.com/?vid=41&lan=EN">41. Burning of iron powder</a><br>
	<a href="http://www.chemicum.com/?vid=42&lan=EN">42. Burning of zinc powder</a><br>
	<a href="http://www.chemicum.com/?vid=43&lan=EN">43. Aluminothermy</a><br>
	<a href="http://www.chemicum.com/?vid=44&lan=EN">44. Reaction of aluminium and alkali</a><br>
	<a href="http://www.chemicum.com/?vid=45&lan=EN">45. Reaction of iron and sulphur</a><br>
	<a href="http://www.chemicum.com/?vid=46&lan=EN">46. Reaction of zinc and iodine</a><br>
	<a href="http://www.chemicum.com/?vid=47&lan=EN">47. Reaction of zinc and acids</a><br>
	<a href="http://www.chemicum.com/?vid=48&lan=EN">48. Reaction of copper and nitric acid</a><br>
	<a href="http://www.chemicum.com/?vid=49&lan=EN">49. Deposition of copper on iron</a><br>
	<a href="http://www.chemicum.com/?vid=50&lan=EN">50. Deposition of mercury on copper</a><br>
	<a href="http://www.chemicum.com/?vid=51&lan=EN">51. Flame-test of a sodium salt</a><br>
	<a href="http://www.chemicum.com/?vid=52&lan=EN">52. Flame-test of a potassium salt</a><br>
	<a href="http://www.chemicum.com/?video=53&lan=EN">53. Flame-test of a lithium salt</a><br>
	<a href="http://www.chemicum.com/?vid=54&lan=EN">54. Flame-test of a barium salt</a><br>
	<a href="http://www.chemicum.com/?vid=55&lan=EN">55. Flame-test of a strontium salt</a><br>
	<a href="http://www.chemicum.com/?vid=56&lan=EN">56. Flame-test of copper</a><br>
	<a href="http://www.chemicum.com/?vid=57&lan=EN">57. Charateristics of a chemical reaction</a><br>
	<a href="http://www.chemicum.com/?vid=58&lan=EN">58. Color changes</a><br>
	<a href="http://www.chemicum.com/?vid=59&lan=EN">59. Evolution of gas</a><br>
	<a href="http://www.chemicum.com/?vid=60&lan=EN">60. Formation of insoluble compound</a><br>
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	<a href="http://www.chemicum.com/?vid=63&lan=EN">63. Release of heat</a><br>
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	<a href="http://www.chemicum.com/?video=65&lan=EN">65. The Pharaoh's Serpent</a><br>
	<a href="http://www.chemicum.com/?vid=66&lan=EN">66. Filtration</a><br>
	<a href="http://www.chemicum.com/?vid=67&lan=EN">67. Vacuum filtration</a><br>
	<a href="http://www.chemicum.com/?vid=68&lan=EN">68. Separation of immiscible liquids</a><br>
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	<a href="http://www.chemicum.com/?vid=78&lan=EN">78. Influence of mixing on the speed of dissolution</a><br>
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	<a href="http://www.chemicum.com/?vid=80&lan=EN">80. Solubility of a gas</a><br>
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