All Class experiment articles – Page 10
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Class experimentCarbon filtration and activated charcoal
Try this practical to remove objectionable tastes and odours from water using carbon in the form of activated charcoal. Includes kit list and safety instructions.
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Class experimentSeparating salts from seawater
Try this simple practical to show that seawater contains a mixture of different salts. Includes kit list and safety instructions.
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Class experimentA microscale oxidation of alcohols
Use this practical to investigate the oxidation reactions of various alcohols with acidified potassium dichromate. Includes kit list and safety instructions.
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Class experimentExtracting copper from copper(II) carbonate
Use this practical to produce copper from copper(II) carbonate, modelling the extraction of copper from malachite. Includes kit list and safety instructions.
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Class experimentMaking esters from alcohols and acids
Investigate the reactions between a range of alcohols and acids by producing a variety of esters in this class experiment. Includes kit list and safety instructions.
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Class experimentThe chemistry of cooking potatoes
Use this class practical to investigate what happens to potatoes and potato cells when they are boiled. Includes kit list and safety instructions.
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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 experimentHeating chocolate and egg
Use this practical to introduce students to physical and chemical changes and the safe use of Bunsen burners. 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 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.