A collection of experiments that demonstrate chemical concepts and processes.
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A list of all the experiments on Practical Chemistry:

  1. A colourful clock reaction ('Old Nassau')    
  2. A colourful oscillating reaction   
  3. A giant silver mirror   
  4. A hydrogen powered rocket
  5. A reversible reaction involving hydrated copper (II) sulfate and its anhydrous form    
  6. A solid-solid reaction
  7. A test to distinguish between ethanol and methanol
  8. A thermometric titration
  9. Acid in the air
  10. Acid or alkali? Acidic or alkaline?
  11. Acid-base neutralisation – a microscale titration 
  12. Addition polymerisation
  13. Alkali metals
  14. Allotropes of sulfur
  15. Ammonia fountain
  16. Ammonium dichromate volcano
  17. An equilibrium involving chromate(VI) and dichromate(VI) ions
  18. An equilibrium involving copper(II) ions
  19. An oscillating reaction
  20. Anodising aluminium   
  21. Bubbles that float and sink   
  22. 'Cannon Fire'   
  23. Catalysis of the reaction between sodium thiosulfate and hydrogen peroxide   
  24. Catalysis of the reaction between sodium thiosulfate solution and iron(III) nitrate solution   
  25. Catalysis of the reaction between zinc and sulfuric acid
  26. Catalysts for the thermal decomposition of potassium chlorate
  27. Chemicals from seawater
  28. Chemiluminescence - cold light
  29. Chocolate and Egg
  30. Chocolate and structure
  31. Chromatography of leaves
  32. Chromatography of sweets
  33. Colorimetric determination of a copper ore
  34. Colourful electrolysis
  35. Combustion of hydrogen in air
  36. Comparing light- and heavy-duty detergents
  37. Controlled explosion of a hydrogen-air mixture
  38. Controlled explosion of a methane-air mixture
  39. Cooking potatoes
  40. Cracking hydrocarbons
  41. Cracking hydrocarbons on a microscale   
  42. Decolourising and deodorising
  43. Dehydration of ethanol to form ethene
  44. Detecting starch in food
  45. Detergents, soaps and surface tension
  46. Determination of Relative Atomic Mass
  47. Determining relative molecular masses by weighing gases
  48. Determining the relative molecular mass of butane
  49. Developing a glue
  50. Diffusion in liquids
  51. Diffusion of gases – ammonia and hydrogen chloride
  52. Disappearing plastic!
  53. Displacement reactions between metals and their salts
  54. Displacement series for non-metals?
  55. Distribution of iodine between two immiscible solvents
  56. Dyeing – three colours from the same dye-bath   
  57. Electrolysing molten lead(II) bromide
  58. Electrolysis of copper(II) sulfate solution
  59. Electrolysis of zinc chloride
  60. Emulsifiers
  61. Endothermic solid-solid reactions
  62. Energy in or out: classifying reactions
  63. Energy values of food
  64. Equilibria involving carbon dioxide in aqueous solution
  65. Estimation of the concentration of household bleach  
  66. Evidence for the ionic model: Migration of ions
  67. Exothermic metal displacement reactions
  68. Exothermic metal-acid reactions
  69. Exothermic or endothermic?
  70. Experiments with hydrogels – hair gel and disposable nappies
  71. Experiments with hydrogels – plant water storage crystals
  72. Exploding balloons
  73. Exploding bubbles of hydrogen and oxygen
  74. Extracting iodine from seaweed
  75. Extracting iron from breakfast cereal
  76. Extracting metals from rocks
  77. Extracting metals with charcoal
  78. Extraction of iron on a match head    
  79. Fat-pan fire!
  80. Fermentation of glucose using yeast
  81. Finding the formula of copper oxide
  82. Finding the formula of hydrated copper(II) sulfate
  83. Flame colours - a demonstration
  84. Formation of a sol   
  85. Halogen reactions with iron
  86. Heat energy from alcohols
  87. Heating group 1 metals in air and in chlorine
  88. How can hardness in water be removed?
  89. How do acids and alkalis react?
  90. How much air is used during rusting?   
  91. Identifying polymers
  92. Identifying the products of combustion
  93. Identifying the products of electrolysis
  94. Indicators and dry ice: demonstration
  95. Investigating the solubilities of lead halides
  96. Involvement of catalysts in reactions
  97. Iodine clock reaction
  98. Iron and sulfur reaction    
  99. Le Chatelier's Principle: the effect of concentration and temperature on equilibrium
  100. Le Chatelier's Principle: the effect of concentration on equilibrium
  101. Le Chatelier’s principle: the equilibrium between nitrogen dioxide and dinitrogen tetroxide
  102. Liquefying chlorine gas   
  103. 'Magic' writing
  104. Making a crystal garden
  105. Making a pH indicator
  106. Making a photographic print
  107. Making a plastic from potato starch
  108. Making an alloy (solder)
  109. Making and testing ammonia
  110. Making esters from alcohols and acids
  111. Making glass
  112. Making magnesium carbonate: an example of a salt that is insoluble in water
  113. Making rayon
  114. Making soaps and detergents
  115. Measuring heat energy of fuels
  116. Melting and freezing stearic acid
  117. Metals and acids
  118. Microbes and bread making using yeast
  119. Microbes, milk and enzymes – souring process
  120. Microscale extraction of copper
  121. Microscale preparation of ethyl benzoate
  122. Microscale reactions of chlorine   
  123. Modelling alloys with plasticine  
  124. Money to burn    
  125. Neutralisation - 'curing acidity'    
  126. Oxidation of ethanol    
  127. Phenol-methanal polymerisation    
  128. pH oxides   
  129. pH scale  
  130. PVA polymer slime  
  131. Particles in motion    
  132. Preferential discharge of cations during electrolysis    
  133. Preparing a soluble salt by neutralisation    
  134. Preparing an insoluble salt    
  135. Preparing and using cobalt chloride indicator papers    
  136. Preparing salts by neutralisation with oxides and carbonates    
  137. Preventing rusting    
  138. Properties of alkali metal compounds    
  139. Properties of hydrogen chloride    
  140. Purification of an impure solid  
  141. Quantitative electrolysis of aqueous copper(II) sulfate
  142. Rate of evaporation
  143. Rate of reaction of magnesium with hydrochloric acid
  144. Rates and rhubarb
  145. Reacting copper(II) oxide with sulfuric acid
  146. Reaction between aluminium and iodine
  147. Reaction of hydrogen and oxygen: reacting masses
  148. Reaction of zinc with iodine
  149. Reactions of aqueous solutions of the halogens
  150. Reactions of chlorine, bromine and iodine with aluminium
  151. Reactions of positive ions with sodium hydroxide (microscale version)
  152. Rechargeable commercial cells: the lead-acid accumulator
  153. Recovering pure water from a solution using a water condenser
  154. Recovering water from copper sulfate solution
  155. Red, white and blue!
  156. Separating sand and salt
  157. Silver and lead halides
  158. Sodium ethanoate stalagmite
  159. Solid mixtures – a tin and lead solder
  160. Solubility patterns among anions of the Group 7 elements
  161. Spontaneous exothermic reaction
  162. Sulfuric acid as a dehydrating agent
  163. Supercooling - the energetics of freezing
  164. Testing for enzymes
  165. Testing the hardness of water
  166. The 'blue bottle' experiment
  167. The acidic reactions of ethanoic acid
  168. The alcohol 'gun'
  169. The causes of rusting
  170. The change in mass when magnesium burns
  171. The combustion of iron wool
  172. The conversion of ethanol to bromoethane
  173. The copper envelope
  174. The cornflour ‘bomb'
  175. The density of carbon dioxide
  176. The density of ice
  177. The equilibrium between Co(H2O)62+ and CoCl42- in aqueous solution
  178. The fractional distillation of crude oil
  179. The Greenhouse Effect
  180. The hydration of alkenes
  181. The oxidation of alcohols
  182. The oxidation of cyclohexanol by potassium dichromate(VI)
  183. The part that water plays in acidity
  184. The photochemical reactions of chlorine with hydrogen and with methane
  185. The position of iron in the reactivity series
  186. The properties of alcohols
  187. The reaction between carbon dioxide and water
  188. The reaction between zinc and copper oxide
  189. The reaction of ethyne with chlorine
  190. The reaction of magnesium with copper(II) oxide
  191. The real reactivity of aluminium
  192. The sublimation of air freshener
  193. The thermal decomposition of nitrates - 'writing with fire'
  194. The thermal properties of water
  195. The thermite reaction
  196. The ‘Whoosh’ Bottle Demonstration
  197. The 'breathalyser' reaction
  198. Thermal decomposition of calcium carbonate
  199. Thermal decomposition of metal carbonates
  200. Titrating sodium hydroxide with hydrochloric acid
  201. To find out if tap water and sea water contain dissolved solids
  202. Trends in the solubility of metal halides – a microscale experiment
  203. Turning 'red wine' into 'water'
  204. Turning copper coins into 'silver' and 'gold'
  205. Universal Indicator 'Rainbow'
  206. Unsaturation in fats and oils
  207. Urea-methanal polymerisation
  208. Using indigestion tablets to neutralise an acid
  209. Water expands when it freezes
  210. What are the dissolved solids in sea water?
  211. What makes a substance 'acidic'?
  212. Where does carbon come in the reactivity series?
  213. Which ions cause hardness in water?
  214. Which substances conduct electricity?