All Experiment articles – Page 10
-
ExperimentA simple oscillating reaction
Use this demonstration to illustrate an oscillating reaction as bromate ions oxidise malonic acid to carbon dioxide. Includes kit list and safety instructions.
-
ExperimentSolubility trends of metal halides
Investigate patterns in the solubility of halides of silver and some Group 1 and 2 metals in this microscale practical. Includes kit list and safety instructions.
-
ExperimentSolubility patterns of halogen anions
Try this microscale practical to identify and explain patterns in the solubility of fluoride, chloride, bromide and iodide anions. Includes kit list and safety instructions.
-
ExperimentDiffusion in liquids
Demonstrate that diffusion takes place in liquids in this practical using lead nitrate and potassium iodide. Includes kit list and safety instructions.
-
ExperimentDissolved substances in tap water and seawater
Compare the solids and gases dissolved in tap water and seawater in this class practical and demonstration. Includes kit list and safety instructions.
-
ExperimentMaking a crystal garden
Create chemical gardens with your students by growing crystals of coloured silicates in this class practical. Includes kit list and safety instructions.
-
ExperimentPreparing an insoluble salt in a precipitation reaction
Produce an insoluble salt precipitate by reacting two soluble metal salts together in this class experiment. Includes kit list and safety instructions.
-
ExperimentOxidation of ethanol
In this class practical, ethanol is oxidised by acidified sodium dichromate to form ethanal and then ethanoic acid. Includes kit list and safety instructions.
-
ExperimentIndicators and dry ice demonstration
Create bubbles, ‘fog’ and a colour change adding dry ice to alkaline ammonia or sodium hydroxide solution in this demonstration. Includes kit list and safety instructions.
-
ExperimentDisplacement reactions of non-metals
Investigate a displacement series of non-metals using oxygen and chlorine in this class practical or demonstration. Includes kit list and safety instructions.
-
ExperimentHow much oxygen is used when iron wool rusts?
Try this practical to investigate how much oxygen is used in rusting and calculate the percentage of oxygen in air. Includes kit list and safety instructions.
-
ExperimentDehydration of ethanol to form ethene
Use this class practical or demonstration to produce ethene gas as an example of an unsaturated hydrocarbon. Includes kit list and safety instructions.
-
ExperimentMicroscale preparation of ethyl benzoate
Try this class practical to prepare the ester ethyl benzoate on a microscale by warming ethanol and benzoic acid. Includes kit list and safety instructions.
-
ExperimentThe reaction of carbon dioxide with water
Form a weak acid from the reaction of carbon dioxide with water in this class practical. Includes kit list and safety instructions.
-
ExperimentProperties of alkali metal compounds
Try this class practical to explore the physical and chemical properties of various alkali metal compounds. Includes kit list and safety instructions.
-
ExperimentThe thermal properties of water
Explore water’s boiling point, specific heat capacity and thermal conductivity in this demonstration. Includes kit list and safety instructions.
-
ExperimentRecovering water from a solution using a condenser
Use this demonstration to show how pure water can be recovered from copper sulfate solution using a condenser. Includes kit list and safety instructions.
-
ExperimentCatalytic oxidation of potassium sodium tartrate
Use this demonstration to illustrate catalysis of the oxidation of potassium sodium tartrate by hydrogen peroxide. Includes kit list and safety instructions.
-
ExperimentEquilibria involving carbon dioxide in aqueous solution
Use this demonstration or class practical to illustrate changes to equilibria in carbonated soda water. Includes kit list and safety instructions.
-
ExperimentModelling alloys with plasticine
Try this class activity to explore how alloying can be used to change the properties of a metal. Includes kit list and teaching notes.