All Class experiment articles – Page 13
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Class experimentMaking solder as an alloy of tin and lead
Try this practical to make solder by heating together the metals tin and lead before investigating the alloy’s properties. Includes kit list and safety instructions.
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Class experimentReacting copper(II) oxide with sulfuric acid
Illustrate the reaction of an insoluble metal oxide with a dilute acid to produce crystals of a soluble salt in this class practical. Includes kit list and safety instructions.
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Class experimentPVA polymer slime
In this fun class experiment student will make slime by adding borax solution to PVA. Includes kit list and safety instructions.
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Class experimentWhat causes iron to rust?
Use this class experiment to help students investigate what conditions are needed for iron to rust. Includes kit list and safety instructions.
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Class experimentThe fractional distillation of crude oil
Try this class practical or demonstration to simulate the industrial fractional distillation of crude oil. Includes kit list and safety instructions.
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Class experimentRate of reaction of potassium manganate(VII) and oxalic acid
Investigate the effect of surface area or concentration on rate of reaction using oxalic acid in rhubarb and potassium manganate(VII). Includes kit list and safety instructions.
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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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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Class 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.
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Class experimentElectrolysis of copper(II) sulfate solution
Explore the electrolysis of copper(II) sulfate solution and related industrial processes with this class experiment. Includes kit list and safety instructions.
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Class experimentTesting the pH of different solutions
Use this practical to reinforce students’ understanding of pH by preparing and testing acidic and alkaline solutions. Includes kit list and safety instructions.
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Class experimentYeast and the expansion of bread dough
Try this class practical to investigate how temperature affects yeast and the expansion of bread dough. Includes kit list and safety instructions.