All Experiment articles – Page 17
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ExperimentExothermic or endothermic? Classifying reactions
Decide whether various reactions are exothermic or endothermic by measuring temperature change in this practical. Includes kit list and safety instructions.
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ExperimentIdentifying the products of electrolysis
Try this class experiment to carry out the electrolysis of various solutions and investigate the products formed. Includes kit list and safety instructions.
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ExperimentThe ‘blue bottle’ experiment
In this demonstration, the redox indicator Methylene blue can be oxidised many times by shaking. Includes kit list and safety instructions.
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ExperimentThe thermite reaction between aluminium and iron(III) oxide
Illustrate a highly exothermic thermite reaction resulting in molten iron in this teacher demonstration. Includes kit list and safety instructions.
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ExperimentDisplacement reactions between metals and their salts
Students will investigate competition reactions of metals and determine a reactivity series of the four metals used. Includes kit list and safety instructions.
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ExperimentA thermometric titration
Use this class practical to practise locating end-points in titration by measuring temperature during the reaction. Includes kit list and safety instructions.
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ExperimentA microscale acid–base titration
Use microscale titration to complete an acid–base neutralisation with sodium hydroxide in this class practical. Includes kit list and safety instructions.
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ExperimentCombustion of ethanol
Illustrate the large energy changes that take place during the combustion of alcohols with this spectacular demonstration. Includes kit list and safety instructions.
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ExperimentColourful reactions using ammonia solution
Turn ammonia solution red, white or blue by adding phenolphthalein, lead nitrate or copper(II) sulfate in this demonstration. Includes kit list and safety instructions.
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ExperimentNeutralising an acidic solution
Use this simple practical to illustrate the pH and temperature changes as an acidic solution is neutralised. Includes kit list and safety instructions.
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ExperimentComparing light- and heavy-duty detergents
Try this set of experiments to compare the effects of light- and heavy-duty detergents with different pH values. Includes kit list and safety instructions.
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ExperimentCorrosion in different atmospheric conditions
Try this practical to test the corrosion of metals in dry air, moist air and air polluted by acidic sulfur dioxide. Includes kit list and safety instructions.
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ExperimentElectrolysis of molten lead(II) bromide
Introduce your students to the study of electrolysis through the production of metallic lead and bromine in this demonstration. Includes kit list and safety instructions.
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ExperimentMaking rayon
Use this demonstration to produce rayon fibres in the classroom using cotton wool or filter paper. Includes kit list and safety instructions.
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ExperimentPhenol-methanal polymerisiation
Make Bakelite in class and investigate its properties using phenol, methanal and ethanoic acid in this demonstration. Includes kit list and safety instructions.
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ExperimentDistribution of iodine between two immiscible solvents
Use this class experiment or demonstration to create an equilibrium distribution using iodine in two immiscible solvents. Includes kit list and safety instructions.
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Experiment‘Dissolving’ polystyrene in acetone
Investigate what happens to polystyrene when it is placed in propanone (acetone) in this demonstration. Includes kit list and safety instructions.
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ExperimentPreparing a soluble salt by neutralisation
In this practical, students react alkaline ammonia with sulfuric acid to form the soluble salt ammonium sulfate. Includes kit list and safety instructions.
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ExperimentThermal decomposition of metal carbonates
Use this class practical to compare the thermal stabilities of carbonates of reactive and less reactive metals. Includes kit list and safety instructions.
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ExperimentWhere is carbon in the reactivity series?
Determine the position of carbon in the reactivity series by heating with metal oxides in this practical and demonstration. Includes kit list and safety instructions.