All Class experiment articles – Page 11
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Class experimentA chromate–dichromate equilibrium
Try this class practical to investigate an equilibrium between chromate(VI), dichromate(VI) and hydrogen ions. Includes kit list and safety instructions.
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Class experimentA reversible reaction of hydrated copper(II) sulfate
A class practical which investigates the reversible reaction of hydrated copper(II) sulfate. Includes kit list and safety instructions.
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Class experimentThe reaction of aluminium and copper(II) sulfate
Try this practical or demonstration to illustrate the displacement of copper from copper sulfate using aluminium foil, with kit list and safety instructions.
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Class experimentMicroscale reactions of positive ions with sodium hydroxide
Try this microscale practical exploring the reactions of various positive ions with sodium hydroxide. Includes kit list and safety instructions.
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Class experimentThe structure and properties of chocolate
Investigate how melting chocolate changes its structure and affects properties like taste, texture and melting point. Includes kit list and safety instructions.
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Class experimentCreu plastig allan o startsh tatws
Archwiliwch bioblastigau ac arbrofi drwy greu plastig gan ddefnyddio startsh tatws. Mae fersiynau mewn labordy a thu allan i labordy ar gael
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Class experimentMaking plastic from potato starch
Explore bioplastics with an experiment making plastic using potato starch. Lab and non-lab versions available
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Class experimentThe rate of reaction of magnesium with hydrochloric acid
A class practical on reacting magnesium with hydrochloric acid and how to measure the rate of reaction. Includes kit list and safety instructions.
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Class experimentMaking and testing ammonia
In this experiment, students make ammonia, investigate its solubility in water and test its alkaline nature. Includes kit list and safety instructions.
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Class experimentFermentation of glucose using yeast | 14–16 years
Use this class practical to investigate the fermentation of glucose by yeast and test for ethanol. Includes kit list, safety instructions, questions and answers
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Class experimentMaking magnesium carbonate: the formation of an insoluble salt in water
Students react magnesium sulfate and sodium carbonate to form magnesium carbonate, which is insoluble in water. Includes kit list and safety instructions.
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Class experimentRecovering water from copper(II) sulfate solution
Try this practical to introduce students to aqueous solutions by distilling water from copper(II) sulfate solution. Includes kit list and safety instructions.
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Class experimentEstimating the concentration of bleach
Compare the chlorine content and concentration of sodium hypochlorite in different bleaches in this class practical. Includes kit list and safety instructions.
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Class experimentTesting for catalase enzymes
Try this class experiment to detect the presence of enzymes as they catalyse the decomposition of hydrogen peroxide. Includes kit list and safety instructions.
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Class experimentThe acidic reactions of ethanoic acid
Explore the properties of ethanoic acid as a weak organic acid in this class experiment. Includes kit list and safety instructions.
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Class experimentRechargeable cells: the lead–acid accumulator
Use this practical to demonstrate the chemistry behind rechargeable batteries, using a lead–acid accumulator cell. Includes kit list and safety instructions.
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Class experimentIdentifying polymers by density
Investigate and identify a variety of polymers used in everyday materials by testing their density in this practical. Includes kit list and safety instructions.
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Class experimentExtracting metals with charcoal
Try this class practical to illustrate the idea of competition reactions between metals and carbon. Includes kit list and safety instructions.
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Class experimentMaking a photographic print using silver chloride
Try this practical or demonstration to create a photographic image of an object using light sensitive silver chloride. Includes kit list and safety instructions.
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Class experimentThermal decomposition of calcium carbonate
A class practical on the thermal decomposition of calcium carbonate. Includes kit list and safety instructions.